(P6) Science Ch. 2 Assessment

Front

What are the two main classifications of animals?

Back

Invertebrates and Vertebrates.

Front

What protein are feathers, hair, and horns made of?

Back

Keratin.

Front

What is the protective outer covering of most arthropods called?

Back

Exoskeleton.

Front

What are the three types of worms classified under different phyla?

Back

Annelids (segmented), Platyhelminthes (flat), and Nematodes (round).

Front

To which class do squids belong?

Back

Cephalopods.

Front

What is the main characteristic of invertebrates?

Back

They lack a backbone.

Front

What is the function of an exoskeleton?

Back

It provides protection and support to the body of arthropods.

Front

Name a common example of a vertebrate.

Back

Fish, birds, mammals, reptiles, or amphibians.

Front

What is the difference between an endoskeleton and an exoskeleton?

Back

An endoskeleton is internal (like in vertebrates), while an exoskeleton is external (like in arthropods).

Front

What type of animal is a jellyfish classified as?

Back

Invertebrate.