an animal with a backbone

what are the 3 characteristics of animals?

Which are vertebrates?

Mammals are warm-blooded.

Mammals lay eggs.

Birds lay eggs without shells.

a lobster is ____________________

Which are invertebrates?

Which are vertebrates?

There are more vertebrates in the world.

Which type of vertebrate are cold blooded, have soft moist skin, and lay eggs in water?

What type of vertebrate is covered with feathers, uses lungs to breathe, is warm blooded, and lay hard shell eggs?

Which type of vertebrate has scales, lives in the water, cold blooded, and lays eggs without shells?

which type of vertebrate has fur or hair, can live on land or water, warm blooded, breathe with lungs, and do not lay eggs?

What type of vertebrate has scales, lives on land or water, lungs to breathe, and are cold blooded.

What are the three types of invertebrates?

Arthropods include?

what does a vertebrate have that an invertebrate does not have?

Most invertebrates live in the ocean or are insects.