Spine or no spine? Vertebrate or invertebrate? Learners sort and classify a list of animals as vertebrates or invertebrates into a graphic organizer.

How does one go about finding fossils? Find out with an informative webpage that looks at the digging process, showcases rocks and common fossils, helpful tips, and a list of archeological do's and don'ts. 

Classify living things with a set of worksheets that has pupils sorting and indentifying living and non-living things. Learners use the worksheets as a basis for finding their answers. 

When crocodiles close their mouths, you still see their teeth, but when alligators close their mouths, their teeth are hidden. Learn more about these reptiles and their many evolutionary cousins in a fact-filled presentation. It...

In this biology activity, learners complete a crossword puzzle with 24 questions about different types of amphibians and functions of their body parts.

[Free Registration/Login may be required to access all resource tools.] Presents an overview of the major animals groups (mammals, birds, reptiles, amphibians, fish, arthropods, vertebrates, invertebrates, those having live births and...

In online and offline activities, students broaden their understanding of animals by learning to identify and classify animals into six categories: mammals, birds, fish, amphibians, reptiles, and invertebrates.

This digital textbook covers core biology concepts and includes interactive features, real-world examples, videos, and study guides.

This digital textbook covers core life science concepts and includes interactive features, real-world examples, and videos.