Overview of Animals Quiz

Question 1

Which term represents animals with backbones?

Answer 1

Vertebrates

Question 2

What is a function of the backbone in animals?

Answer 2

It surrounds the spinal cord

Question 3

Which statement best explains why invertebrates often have outer skeletons but vertebrates do not?

Answer 3

The outer skeleton provides protection, since invertebrates do not have backbones

Question 4

The ability of an animal to maintain a stable internal environment is called ___________.

Answer 4

Homeostasis

Question 5

Which statement describes a difference between a jellyfish and a frog?

Answer 5

A jellyfish lacks vertebrae, whereas a frog has a spinal cord

Question 6

Organisms that rely on other living things for food are called ___________.

Answer 6

Heterotrophs

Question 7

What do all vertebrates and invertebrates have in common?

Answer 7

They are multicellular

Question 8

A scientist is studying an organism and has classified it as an animal.

Which statement must be true about the organism?

Answer 8

It is multicellular

Question 9

Which two characteristics do all animals have?

Answer 9

Their cells have a nucleus and membrane-bound organelles

Question 10

Which three steps describe how an animal obtains and uses energy for growth?

Answer 10

First, an animal eats another organism. Then, food is broken down into smaller molecules. Next, the animal’s cells use molecules to make new cells