1.
A ______ is an animal that has a backbone and a skeleton.
TREERVEBAT
2.
An _______ is an animal without a backbone. In fact, it doesn't have any any bones at all!
NEEIVEATTRBR
3.
Invertebrates that you may be familiar with include spiders, worms, snails, lobsters, crabs and ______ like butterflies.
ESCSNIT
4.
______ are small vertebrates that need water, or a moist environment, to survive. The species in this group include frogs, toads, salamanders, and newts.
PBSMHIANIA
5.
______ are warm-blooded animals with hair and vertebrates, or backbones. Unlike other classes of animals, female mammals produce milk to nourish their young.
AMSLMMA
6.
_______ are a class of vertebrates made up mostly of snakes, turtles, lizards, and crocodilians. These animals are most easily recognized by their dry, scaly skin.
