Navigation Links

A View of Life:

  1. What is "Good Science"? University of California, Berkeley
  2. Scientific Method Koning, Ross E., Plant Physiology Website
  3. Scientific Method and the Cell the Fundamental Unit of Life. University of Arizona
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Atoms and Molecules:

  1. A Question of Scale Bruce Bryson at WordWizz
  2. A Colorful and Easy to Use Periodic Table by Yinon Bentor
  3. Basic Chemistry Tutorial for Biology University of Arizona
  4. Types of Chemcial Reactions Roanoke Valley Governor's School
  5. The Particle Adventure - For a curious student Particle Data Group
  6. General Chemistry Online Fred Sense at Frostburg State University
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Organic Compounds:

  1. Biological Molecules Lab Tutorial North Harris College by RM Chute
  2. Virtual Cell Web Page -biochemical Coyle and Cassidy High School
  3. Large Molecules Problem Set University of Arizona
  4. Macromolecule Tutorial(requires the Authorware Player) by RM Chute
  5. Enantiomers Heriot-Watt University
  6. Deciphering The Message of Life's Assembly -Protein Folding David Brown, MD, Washington Post
  7. Unraveling the Mystery of Protein Folding W. A. Thomasson at FASEB
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Cellular Organization:

  1. Virtural Cell Web Page Coyle and Cassidy High School
  2. Cell Tutorial from Cells Alive
  3. Using the Microscope Curtin University of Technology
  4. Cytoskeleton Tutorial University of Arizona
  5. Prokaryotes, Eukaryotes, Symbiotic Theory Pamela J. W. Gore at Georgia Perimeter College
  6. Size Comparison: Virus, Bacteria, Red Blood Cell, Lymphocyte and Human Sperm Cells Alive
  7. Prokaryotes, Eukaryotes and Viruses University of Arizona
  8. Cell Biology Gwen V. Childs, Ph.D., University of Arkansas for Medical Sciences
  9. Plant Cell Structure Koning, Ross E., Plant Physiology Website
  10. Cells and Cancer Kimball's Biology Pages
  11. Apoptosis(Cell death) Kimball's Biology Pages
  12. Cell Communication - The Inside Story Scientific American
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Biological Membranes:

  1. Brownian Motion Animation Michael Fowler at University of Virginia
  2. Animations on Diffusion and Osmosis Joseph Patlak at University of Vermont
  3. Diffusion, Dialysis and Osmosis Tutorial North Harris College
  4. Junctions between Cells Kimball's Biology Pages
  5. Plasma Membrane Biology Gwen V. Childs, Ph.D., University of Arkansas for Medical Sciences
  6. Phagocytosis, Pinocytosis, Receptor- Mediated Endocytosis(LDL receptors) Kimball's Biology Pages
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Energy and Metabolism:

  1. Basic Energy Concepts Timothy Paustian, University of Wisconsin-Madison
  2. Factors Affecting Enzymes A&M University - Kingsville
  3. Energy, Enzymes, and Catalysis Problem Set University of Arizona
  4. Chemical and Physical Laws Governing Reactions A&M University - Kingsville
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Cellular Respiration:

  1. Cellular Respiration Kimball's Biology Pages
  2. Questions with Tutorial - Excellent on Cellular Respiration University of Arizona
  3. Mitochondrial Mysteries Taylor University
  4. Cellular Respiration Tutorial Step by Step Jon Maber
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Photosynthesis - Capturing Energy:

  1. Photosnthesis Problem Sets and Tutorials I. University of Arizona
  2. Photosynthesis Problem Set 2 University of Arizona
  3. Photosynthetic Pigments University of California, Berkeley
  4. What is Photosynthesis? Arizona State University
  5. Chemistry of Bioluminescence University of California Santa Barbara
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Chromosomes, Mitosis and Meiosis:

  1. Microscopic views of Mitosis North Harris College
  2. The Cell Cycle and Mitosis University of Arizona
  3. Determining time spent in different phases of the cell cycle University of Arizona
  4. Meiosis Tutorial University of Arizona
  5. Cell Division Tutorial (Photos of Stages) Jon C. Glase at Cornell University
  6. Regulation of the Cell Cycle Kimball's Biology Pages
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Basic Principles of Heredity:

  1. Glossary of Genetic Terms National Institutes of Health
  2. Genetics Tutorials. University of Arizona
  3. Mendelian Genetics - University of Arizona University of Arizona
  4. Introduction to Probability theory University of Arizona
  5. Mendelian Genetics Phillip McClean, North Dakota State University
  6. Genetics Practice Problems J. Stein Carter at Clermont College
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Human Genetics:

  1. Genes and Human Disease National Institutes of Health
  2. Gene Map of the Human Genome National Institutes of Health
  3. Human Genome Project Information
  4. Genetic Disorder Corner Genetic Science Learning Center
  5. Human Blood Typing and Genetics Problem Set University of Arizona
  6. Three Karyotypes to Evaluate and Diagnose University of Arizona
  7. Prenatal Testing, Pictures of Karyotypes University of Utah Health Sciences
  8. Photos of Human karyotypes University of Washington Pathology
  9. Photographs of Human Genetic Diseases Dr. Edward C. Klatt MD, Department of Pathology, University of Utah
  10. Online Genetics activities and Problems Genetic Science Learning Center
  11. "Dervish Disorder" challenge activity Genetic Science Learning Center
  12. Genetics and Rare Conditions University of Kansas Medical Center
  13. Mitochondrdial Control Region DNA Learning Center
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DNA-Genetic Code:

  1. DNA From the Beginning Dolan DNA Learning Center, Cold Spring Harbor Laboratory
  2. DNA, RNA, Protein synthesis: The Revolution in Biology University of Arizona
  3. Nucleic Acids Problem Set University of Arizona
  4. DNA sequence game Tech Museum of Innovation in San Jose, California
  5. Nobel Prize in Physiology or Medicine for 1993
    discovery of split genes.
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RNA-Protein Synthesis:

  1. Protein Kinesis: Getting Proteins to Their Destination Kimball's Biology Pages
  2. Outline of all the Protein Synthesis Steps. Terre Haute Center For Medical Education
  3. Nobel Prize in Physiology or Medicine for 1999
    "proteins have intrinsic signals that govern their transport and localization in the cell."
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Control of Gene Expression:

  1. Gene Regulation and the Operon (Help with Extra Credit) North Harris College
  2. Coloning and Molecular Analysis of Genes Phillip McClean, North Dakota State University
  3. To Know Ourselves
  4. Eukaryotic Gene Expression Problem Set University of Arizona
  5. Lac Operator-repressor Regulation System. University of Arizona
  6. Animated Tutorials Life Science - UCLA
  7. How early embryo's are formed Nobel Prize 1995
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Genetic Engineering:

  1. Blackett Family DNA Activity University of Arizona
  2. DNA Forensics Problem Set 1 (RFLP) University of Arizona
  3. DNA Forensic Problem Set 2 University of Arizona
  4. Recombinant DNA Technology Problem Set University of Arizona
  5. Split Genes - Nobel Prize Illustration
  6. DNA Fingerprinting Dr. R. E. Hurlbert Washington State University
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Evolution - Mechanisms and Evidence:

  1. Understanding EvolutionBerkeley Education
  2. Evolution from PBS
  3. Library of Many Evolution Sites and videos PBS
  4. Which Embryo is Human Exploratorium
  5. Evolution on the Web Robert P. Gendron at Indiana University of Pennsylvania
  6. Timeline of Evolutionary Thought University of California, Berkeley
  7. UCMP Web Lift for Geologic Time! University of California, Berkeley
  8. The World of Richard Dawkins
  9. Amber - A View of the Past Amberica West.
  10. Dino Russ's Lair Illinois State Geological Survey
  11. Understanding Evolution University of California Museum of Paleontology
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Population Genetics:

  1. Hardy-Weinberg Problems North Harris College
  2. Various Hardy Weinberg Examples Judith Stanhope at Woodrow Wilson Biology Institute
  3. Population Genetics -- Hardy Weinberg University of Arizona
  4. Population and Evolutionary Genetics Phillip McClean, North Dakota State University
  5. From Pangea to Present VolcanoWorld
  6. Natural Selection and Genetic Drift Modeling Exercise Rebecca Irwin at University of Tennessee
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Speciation and Macroevolution:

  1. Vertebrate Flight - An example of convergent evolution University of California, Berkeley
  2. UC Berkeley - Discovery of Sulawesi Coelacanths University of California, Berkeley
  3. Alfred Wegener. The Origins of Continents and Oceans University of California, Berkeley
  4. Dinosaures Where not Alone PBS - NOVA
  5. The Dinosauria: Truth is Stranger than Fiction University of California, Berkeley
  6. The Extinction Files BBC
  7. Web Site for Endangered Species Bagheera
  8. Humans and other Castastrophes American Museum of Natural History
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Primate Evolution:

  1. Becoming Human The Institute of Human Origins
  2. Human Evolution PBS
  3. The Long Foreground: Human Prehistory Department of History - Washington State University
  4. Prominent Hominid Fossils Talk Origins
  5. Human Prehistory D. I. Loizos
  6. Guided Tour -Hominid Evolution Hunterian Museums Collection
  7. Anthropololgy Tutorials Behavioral Sciences Department, Palomar College
  8. Lucy Institute of Human Orgins
  9. Primate Taxonomy Brian Schwimmer at University of Manitoba
  10. Primates and Apes Photography Primates.com
  11. Is Out of Africa Going Out the Door? Scientific American
  12. The Latest Neanderthals Scientific American
  13. Homo Erectus - A Comparison The Regents of The University of California
  14. Archaeologyinfo.com
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Viruses:

  1. Herpes Virus Replication University of California, Irvine
  2. Virurs Utra Structure University of Cape Town
  3. Bacteriophage Life Cycles Gary E. Kaiser at Community College of Baltimore County
  4. Viruses and Bacteria Cells Alive
  5. Computer Visualizations of Viruses - Examples Robert M. Bock Laboratories UW-Madison
  6. All the Virology on the WWW David M. Sander, Ph.D. at Tulane University
  7. HIV Infection -Check out the sites on the HIV diagram Cells Alive
  8. Bugs and the Web Public Health for Northern Alberta
  9. AIDS Lifecycle Museum of Science and Industry
  10. Mad Cow Disease and Prions Why Files
  11. Epidemic - The World of Infectious Diseases American Museum of Natural History.
  12. Nobel Prize on Prions Illustration
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General Biology Sites:

  1. Brain POP (share this with your children)
  2. SciCentral - Can lead you to many sources
  3. General Organic and Biochemistry James K. Hardy and Brooks/Cole Publishing Company
  4. Online Biology Book Maricopa Community College
  5. Excellent Source of Information on Cellular Biology Kimball's Biology Pages
  6. Science News Why Files
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North Harris College Science Sites:

  1. Biology HomePage
  2. Anatomy and Physiology II Links
  3. Microbiology Page
  4. Biology I Links Page
  5. Biology 2 Links Page
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The Classification of Organisms:

  1. Basics: Classification, Nomenclature, and Key Making Texas A&M Bioinformatics Working Group
  2. Prokaryotes, Eukaryotes, Symbiotic Theory Georgia Perimeter College
  3. Classification of Living Things Dennis O'Neil, Ph.D. Palomar College San Marcos, California
  4. Animal Diversity Web University of Michigan
  5. Exercise in Basic Taxonomy: Classification-Nomenclature - Indentification
  6. Winter Tree and Shrub Key Texas A&M Bioinformatics Working Group
  7. CSUBIOWEB Fruit Key California State University
  8. Animal Diversity-Try Ouestion 1 Jon C. Glase at Cornell University
  9. Journey into the World of Phylogenetic Systematics University of California, Berkeley
  10. Welcome to the Biology 120 Plant and Animal Phylogeny Exercise! Rebecca Irwin, University of Tennessee
  11. Kingdom Monera Frances M. Cardillo
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Eubacteria:

  1. Excellent Resource for all types of Disease Causing Bacteria UT - Houston Medical School
  2. Bacterial Strucuture Timothy Paustian, University of Wisconsin-Madison
  3. Bacteria Divide and Multiply Cells Alive
  4. How Bacteria Swim and Tumble Cells Alive
  5. Gram-negative Walls - Cocci, Spirochetes, Rickettsias, Chlamydias, Myxobacteria, Cyanobacteria.
  6. Lyme Disease (Borrelia burgdorferi) University of Wisconsin-Madison
  7. Cyanosite Biological Sciences at Purdue University
  8. Enterobacteriaceae- E.coli, Salmonella and others. UT - Houston Medical School
  9. Introduction to the Cyanobacteria - University of California, Berkeley
  10. Gram-positive Walls - Cocci, rods, Lactic acid bacteria, Mycobacteria, Actinomycetes
  11. Streptococci Kill White Blood Cells Cells Alive
  12. Gram-Positive Cocci UT - Houston Medical School
  13. Gram-Positive Rods UT - Houston Medical School
  14. The Mycobacteria - Ducks of the Microbial World University of Cape Town
  15. Lab Methods -Biochemical Tests, Media, Techniques UT - Houston Medical School
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Archeobacteria - Methanogens, Halobacteria, Thermoacidophiles

  1. Picture Gallery of Extremophiles
  2. Life at High Temperatures University of Wisconsin-Madison
  3. Life in Extreme Environments Astrobiology Web
  4. Archaea University of California, Berkeley
  5. Astrobiology and Life Science - Extremophiles SpaceRef.com
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Algae:

  1. Centex Naturalist - Algae
  2. Steve Durr's Homepage.
  3. Phytoplankton Ecology Mote Marine Laboratory
  4. The Harmful Algae Page - Excellent Site on Red Tide
  5. Introduction to the Dinoflagellata - Red Tide University of California, Berkeley
  6. Dinoflagellates University of Calgary, Dept. of Geology and Geophysics
  7. Introduction to the Chromista University of California, Berkeley
  8. Introduction to the Bacillariophyta - Diatoms University of California, Berkeley
  9. Diatoms - Every wonder? Earthguide
  10. Center for Algal Microscopy and Image Digitization Bowling Green State University
  11. Photosynthetic Pigments University of California, Berkeley
  12. Chlorophyta (Green algae) University of California, Berkeley
  13. Introduction to the Rhodophyta -The red "algae" University of California, Berkeley
  14. Red Algae: Rhodophyta - Described Photos Sonoma State University
  15. Brown Algae: Phaeophyta - Described Images Sonoma State University
  16. Introduction to the Phaeophyta -Kelps and brown "algae" University of California, Berkeley
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Protozoan

  1. Parasitology Tutorial Public Health for Northern Alberta
  2. Protozoan-Parasites Cells Alive
  3. Parasitic Images and Descriptions Ohio State University
  4. Introduction to the Apicomplexa University of California, Berkeley
  5. Introduction to the Foraminifera University of California, Berkeley
  6. Introduction to the Ciliata University of California, Berkeley
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Slime Molds:

  1. Introduction to the Slime Molds University of California, Berkeley
  2. Photos of Myxomycete Sturctures University of Arizona
  3. Fun with Fungi -Lower Fungi Koning, Ross E., Plant Physiology Website
  4. Internet Guide to Myxomycetes Photographs by Michel Poulain.
  5. Plasmodial & Cellular-Slime Molds Frances M. Cardillo
  6. Physarum polycephalum and Other Acellular Slime Molds
  7. Photos of various Oomycota (Water molds) Structures. University of Arizona
  8. Introduction to the Oomycota University of California, Berkeley
  9. Saprolegnia water mold forming large white masses on salmon. Frances M. Cardillo
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Phylum Zygomycota: Black Bread Mold

  1. Zygomycota - Microscopic 'Pin' or 'Sugar' Molds Tree of Life
  2. Mycology.com
  3. Fun Facts about Fungi University of Michigan
  4. Photos of Various Zygomycota Structures University of Arizona
  5. Phungophobe's Phear -- "Higher Fungi" Koning, Ross E., Plant Physiology Website
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Phylum Basidiomycota (Club Fungi):

  1. Excellent -Tom Volk's Fungi (Check out the Fungus of the Month Pages) University of Wisconsin
  2. Edible and Poisonous Mushroom by Barbara Bassett Naturalist Jefferson City, Mo.
  3. Subdivision Basidiomycotina - The Club Fungi Frances M. Cardillo
  4. Fungi Perfecti ONLINE Paul Stamets and Fungi Perfecti LLC
  5. Basidiomycota -The Club Fungi Tree of Life
  6. Order: Agaricales are your stereotypical mushroom Natural Perspective
  7. Magic Mushrooms - Life Cycle Diagram Koning, Ross E., Plant Physiology Website
  8. Clathrus: Latticed Stinkhorn (Clathrus ruber). Natural Perspective
  9. Aphyllophorales: Do not have a stereotypical mushroom form Natural Perspective
  10. MycoWeb
  11. Lots of Photos (well organized) of Basidiomycota University of Arizona
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Phylum Ascomycota (Sac Fungi): -
Yeasts, Powdery mildews, Molds, Morels, Truffles

  1. Sac fungi produce spores inside cases (asci) Natural Perspective
  2. Subdivision Ascomycotina - The Sac Fungi Frances M. Cardillo
  3. Ascomycota - The Sac Fungi Tree of Life
  4. Photos of various Ascomycota Structures University of Arizona
  5. Classification and How Fungi are named Dr. George J. Wong, University of Hawaii
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Phylum Deutromycota (Imperfect Fungi):

  1. Photos of Various Deuteromycota Structures University of Arizona
  2. Photos of Penicillin, etc. University of Wisconsin
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Lichens:

  1. Lichens - Four major growth forms Frances M. Cardillo
  2. Lichens - Lots of Examples Natural Perspective
  3. Introduction to Lichens -Click on buttons for details. University of California, Berkeley
  4. Lichen Portrait Gallery Lichen.com
  5. Centex Naturalist -Lichens
  6. Fun with Lichens Oregon State University
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Phylum Bryophyta (Mosses):

  1. Facts about mosses - Characteristics and Life Cycle Frances M. Cardillo
  2. Bryophyta - Life Cycle Rebecca Irwin, University of Tennessee
  3. Mosses - Check out the menu items especially the photos Claranet
  4. Moss Classification at the Rank of Subclass and Above Southern Illinois University at Carbondale
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Phylum Hepatophyta (Liverworts):

  1. Phylum (Bryophyta)- Classes: True Mosses (Musci), Liverworts (Hepaticae), and Hornworts (Anthocerotae) Natural Perspective
  2. Division Hepaticophyta-Nonvascular -Liverworts Frances M. Cardillo
  3. Liverworts - Check out the menu items especially the "Photos" Claranet
  4. Liverwort Classification at the Rank of Subclass and Above Southern Illinois University at Carbondale
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Phylum Anthrocerophyta (Hornworts):

  1. Hornwort Classification Southern Illinois University at Carbondale
  2. American Bryological and Lichenological Society
  3. Introduction to the Anthocerotophyta - The hornworts University of California, Berkeley
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Phylum Pterophyta (Ferns):

  1. Ferns and Allies (Filicinophyta) Natural Perspective
  2. American Fern Society-Check out Fern Biology
  3. Phylum Pterophyta University of Wisconsin
  4. Long Descriptive Page on Ferns Tree of Life
  5. Non-Flowering Plant Family Access Page Dr. Gerald Carr, University of Hawaii
  6. A Fern Resouce Manual for Culturing and Learning
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Phylum Sphenophyta (Horsetails):

  1. Introduction to the Sphenophyta University of California, Berkeley
  2. Phylum Sphenophyta University of Wisconsin
  3. Lower Vaseular Plants (Equisetophyta) Dr. Gerald Carr, University of Hawaii
  4. Examples of Horsetails and Scouring Rushes: Frances M. Cardillo
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Phylum Psilotophyta (Whisk Ferns):

  1. Introduction to the Psilotales -The Whisk Ferns University of California, Berkeley
  2. Phylum Psilotophyta University of Wisconsin
  3. Non-Flowering Plant Family Access Page Dr. Gerald Carr, University of Hawaii
  4. Division Psilophyta, Genus Psilotum Frances M. Cardillo
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Phylum Lycophyta (Clubmosses):

  1. Introduction to the Lycophyta University of California, Berkeley
  2. Phylum Lycophyta University of Wisconsin
  3. Lower Vascular Plants Dr. Gerald Carr, University of Hawaii
  4. Clubmosses, Spikemosses, Quillworts Frances M. Cardillo
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Gymnosperm Description:

  1. Non-Flowering Plant Family Access Page Dr. Gerald Carr, University of Hawaii
  2. Vascular Plant Image Gallery - TAMUTexas A&M Bioinformatics Working Group
  3. The Naked Seeds of Pinus - Gymnosperm Reproduction Koning, Ross E., Plant Physiology Website
  4. Gymnosperm Key University of Wisconsin - Green Bay
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Phylum Coniferophyta:

  1. Development of Pinus, Order Coniferales -Photos and descriptions Frances M. Cardillo
  2. Conifer Photo Links Grand Valley Trails Association - Ontario
  3. "Methuselah" at 4,725 year bristlecone Leonard Miller
  4. Leaf tissues - conifer Frances M. Cardillo
  5. Ground Tissue Systems - Conifer Frances M. Cardillo
  6. Photo Gallery of Tree Rings Henri D. Grissino-Mayer's
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Phylum Ginkgophyta:

  1. The Ginkgo Pages Cor Kwant
  2. Phylum Ginkgophyta University of Wisconsin
  3. Ginkgophyta has one living member Frances M. Cardillo
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Phylum Cycadophyta:

  1. Phylum Cycadophyta University of Wisconsin
  2. Description and Photos of Cycadophyta Dr. Gerald Carr, University of Hawaii
  3. The fossil history of the Cycads extends back 200 million years Frances M. Cardillo
  4. Introduction to the Cycads University of California, Berkeley
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Phylum Gnetophyta:

  1. Non-Flowering Plant Family Access Page Dr. Gerald Carr, University of Hawaii
  2. Unique among the gymnosperms for having vessels in the xylem Frances M. Cardillo
  3. Phylum Gnetophyta University of Wisconsin
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Phylum Anthophyta:

  1. Botany Lab Photo's and Exercises University of Wisconsin
  2. Noble Foundation Plant Image Gallery
  3. Navasota Flora by TAMU Herbarium Botanist, Monique Dubrule Reed
  4. Division Magnoliophyta is the largest plant group on Earth. Frances M. Cardillo
  5. Inflorescence in flowering plants Frances M. Cardillo
  6. Life Cycles I, II, and III Frances M. Cardillo
  7. Angiosperms vs GymnospermsTexas A&M Bioinformatics Working Group
  8. Poisonous Plants
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Class - Dicotyledon:

  1. Woody Dicots Frances M. Cardillo
  2. Herbaceous Dicots Frances M. Cardillo
  3. Monocots versus Dicots University of California, Berkeley
  4. Ground tissue systems - woody dicot Frances M. Cardillo
  5. Secondary Dermal Tissue Frances M. Cardillo
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Class - Monocotyledone:

  1. Monocots Frances M. Cardillo
  2. Monocots vs. DicotsTexas A&M Bioinformatics Working Group
  3. Introduction to the Liliopsida University of California, Berkeley
  4. Monocotyledons Tree of Life
  5. Ground tissue systems - monocot Frances M. Cardillo
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Angiosperm Reproduction:

  1. Photographic Atlas of Plant Anatomy University of Wisconsin and Iowa State University
  2. Fast Plants
  3. Reproductive Parts of Flowering Plants Texas A&M Bioinformatics Working Group
  4. III. Reproductive Morphology -Lots of Illustrative Diagrams
  5. Pollination - Well organized an Illustrated. Koning, Ross E., Plant Physiology Website
  6. Pollen and Embryo Sac Koning, Ross E., Plant Physiology Website
  7. Seeds and Seed Germination Koning, Ross E., Plant Physiology Website
  8. Artificial Vegetative Propagation Koning, Ross E., Plant Physiology Website
  9. Natural Vegetative Propagation --Epiphyllous Bud Koning, Ross E., Plant Physiology Website
  10. Fruit Growth and Ripening Koning, Ross E., Plant Physiology Website
  11. Angiosperm Reproduction - Anther and Pollen Developoment Koning, Ross E., Plant Physiology Website
  12. Angiosperm Reproduction -Ovule and Embryo Sac Development Koning, Ross E., Plant Physiology Website
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Structure of Angiosperm Stems and Roots:

  1. Henri D. Grissino-Mayer Ultimate Tree-ring Web Pages
  2. A Year in the Life of a Tree
  3. Meristems: Where plants grow Koning, Ross E., Plant Physiology Website
  4. Characters of the Vegetative Parts of a Plant Texas A&M Bioinformatics Working Group
  5. II. Vegetative MorphologyTexas A&M Bioinformatics Working Group
  6. Various Plant Cell Structures Koning, Ross E., Plant Physiology Website
  7. Pruning Koning, Ross E., Plant Physiology Website
  8. Trace the pathway of minerals from soil IN-to root xylem Koning, Ross E., Plant Physiology Website
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Structure of Angiosperm Leaves:

  1. Trace the pathways of sugar out of the leaf Koning, Ross E., Plant Physiology Website
  2. Important Features of Flowering Plants University of Hamburg
  3. Section through a Leaf Nigel D Purchon
  4. Leaf tissues Frances M. Cardillo
  5. Leaf Images University of Wisconsin
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Science News Sites:

  1. Science Daily - Today's Headlines
  2. Science News Why Files
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General Biology Sites:

  1. WHITTAKER FIVE KINGDOM SYSTEM Frances M. Cardillo
  2. Botanical Society of America Online Image Collection
  3. Invasivespecies.gov
  4. nearctica-The Natural World of North America
  5. Principles of Plant Biology American Society of Plant Biologists
  6. Plants National Database
  7. CENTEX NATURALIST -Jerry Evans
  8. Digital Learning Center for Microbial Ecology
  9. The New UCMP Web Lift at Berkeley University of California, Berkeley
  10. Natural Perspective
  11. Image Gallery University of Wisconsin
  12. Department of Biology Herbarium - Texas A&M University Texas A&M Bioinformatics Working Group
  13. Vascular Plant Family Access Page Dr. Gerald Carr, University of Hawaii
  14. Texas Parks and Wildlife Nature Site
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(Date:9/22/2014)... Teens and young adults at risk for sexually transmitted ... risky sexual behaviors, according to new recommendations from the ... 20 million new sexually transmitted infections such as gonorrhea ... involve people between 15 and 24 years old, according ... published Sept. 22 in Annals of Internal Medicine ...
(Date:9/22/2014)... Mich. A surprising new study pulls back the ... health care: differences in payment and income between physicians ... don,t. , Contrary to perception, the research indicates, ... favor surgeons and other procedure-performing doctors. , The new ... difference in pay per minute explains why doctors who ...
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... ... worldwide operator with both CAMTS and EURAMI accreditation and Department of Defense approval, ... Birmingham, AL (PRWEB) ... it has earned full accreditation from the European Aero-Medical Institute (EURAMI). EURAMI is ...
... Nov. 9 HUYA Bioscience International, ... announced a strategic partnership with the School of ... agreement is another in a series of collaborations ... and development institutions to enable and accelerate the ...
... women ages 18 to 68 found that lubricant use during ... ratings of pleasurable and satisfying sex. Personal lubricants ... of sexual intercourse and to reduce the risk of vaginal ... use of lubricants or associated vaginal symptoms. The ...
... The American Public Health Association (APHA) applauds the ... passed last night by the House. , "With passage ... universal coverage, supporting important insurance reforms and moving our ... sick to one that focuses on keeping people healthy," ...
... pain now can take you out of the game later, ... injuries are the talk of the NFL this season, sidelining ... Parker. , Officials at the American Podiatric Medical Association and ... take care of their feet when they play fall sports ...
... ... Through Our Inner Pharmacy" by Dr. Roberto Giraldo shows that AIDS is a result of ... can be either chemical, physical, nutritional and most of all, emotional. , ... Oakland, CA (PRWEB) November 8, 2009 -- ...
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