Estrella Mountain Community College
Online Biology Book: The Nature of Science and Biology
Use the scientific reasoning and critical thinking to take an in-depth look at the basics of biology.
BiologyWise
Biology Wise: Information About Animal Cells
Explains the differences between eukaryotic and prokaryotic cells and presents a diverse set of facts about animal cells.
The Franklin Institute
The Franklin Institute: Living Things Families
What do centipedes and crabs have in common? What's so special about a backbone? Check this site out from The Franklin Institute if you are interested in biology and classification.
Annenberg Foundation
Annenberg Learner: The Habitable Planet: Unit 9: Biodiversity Decline
This is an extensive learning module on biodiversity and its decline. It looks at ways biodiversity is threatened, the possibility of another mass extinction, the causes and consequences of habitat loss, factors that drive biodiversity...
Smithsonian Institution
Smithsonian National Zoo
Here is the National Zoological Park right at our fingertips. Students will find many things to explore at this colorful and engaging site. Any study of animals will have a successful start here. Chances are students can catch their...
CK-12 Foundation
Ck 12: Life Science: Invertebrates
[Free Registration/Login may be required to access all resource tools.] Animals are also often identified as being either invertebrates or vertebrates. These are terms based on the skeletons of the animals. Vertebrates have a backbone...