Invertebrates: Sponges to Worms

Front

What are animals without backbones called?

Back

Invertebrates

Front

What characteristic do most animal phyla have in common?

Back

Bilateral symmetry - meaning they can be split down the middle and they're the same on each side.

Front

What are the hairlike structures that segmented worms use to move?

Back

Setae

Front

What are segmented worms also known as?

Back

Annelids

Front

What is the body structure of annelids like?

Back

Annelids have soft bodies made up of many segments, with only the head and end area not segmented.

Front

Can segmented worms regenerate lost segments?

Back

Yes, segmented worms can regenerate segments that have been broken off.

Front

What type of symmetry do worms have?

Back

Bilateral symmetry.

Front

What are the three main types of worms?

Back

Flatworms, roundworms, and segmented worms.

Front

What is the main difference between vertebrates and invertebrates?

Back

Vertebrates have backbones, while invertebrates do not.

Front

Give an example of an invertebrate.

Back

An example of an invertebrate is a jellyfish.