Introduction to Animals

The bodies of many sponges contain sharp structures called?

What are the bones that form a backbone called?

A structure, such as a leg or arm, that extends from the central part of the body

When an animal replaces a body part

A _______ body plan is shaped like a vase

What kind of animals eat plants?

The body of a sponge is covered with many small openings called?

An animal with a backbone like fish, humans, lizards

Early scientists classified sponges as

What kind of animals eat both plants and animals?

Eats only other animals

What helps animals survive and reproduce from generation to generation?

An animal that cannot be divided into any two parts that are nearly mirror images of each other

What is an adaptation for predators so they can sneak up on their prey?

Animals that produce both sperm and eggs are called?

What kind of adaptations help animals survive?

A ____ body plan is bell shaped

What kind of animals eat only other animals?

An animal that does not have a backbone like worms, sponges, jellyfish

An animal that can be divided into 2 parts that nearly mirror images of each other

Animals with body parts arranged in a circle around a central point have......?

What percentage of the animal kingdom are invertebrates?