G3 Ch1 L4 Classifying Animals
What does it mean to CLASSIFY things?
It means to PUT them in GROUPS (group them based on similarities).
What are the two main groups of animals? What's the difference between them?
VERTEBRATES (with backbones) and INVERTEBRATES (without).
Name FOUR animal CLASSES.
Mammals, birds, reptiles, amphibians, insects, fish, arthropods, crustaceans, arachnids, mollusks, etc.