eBook
McGraw Hill

Arthropods

For Teachers 6th - 8th
Are spiders related to crabs? Study the order of arthropods with a reading selection about animal diversity. It provides details about each class within the order, as well as vivid pictures and explanatory charts. 
eBook
Khan Academy

Khan Academy: Animal & Human Viruses

For Students 9th - 10th
Learn about viruses of humans and other animals, the Baltimore classification system, and the HIV life cycle.
eBook
CK-12 Foundation

Ck 12: Life Science: 11.9 Organization of Living Things

For Students 9th - 10th
Learn the system that scientists use to classify living things.
eBook
Estrella Mountain Community College

Estrella Mountain Community College: The Diversity of Life

For Students 9th - 10th
Detailed information about each of the five kingdoms. Each kingdom is separately described, but information is also summarized in a table.
eBook
CK-12 Foundation

Ck 12: Third Grade Science

For Students 3rd
This customizable digital textbook covers topics related to third-grade science. It is Next Generation Science Standards (NGSS) aligned.
eBook
Estrella Mountain Community College

Online Biology Book: The Nature of Science and Biology

For Students 9th - 10th
Use the scientific reasoning and critical thinking to take an in-depth look at the basics of biology.
eBook
Estrella Mountain Community College

Estrella Mountain Community College: Class Mammalia: Got Milk?

For Students 9th - 10th
This resource contains general information about the class Mammalia and their unifying characteristics.

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