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Echinoderms and Invertebrate Chordates 279
Echinoderms and Invertebrate Chordates
Before You Read
Write what you know or stories you have heard about sea stars, sea urchins, and other
spiny sea creatures.
Science Journal
Before you read the chapter, respond to these statements.
- Write an A if you agree with the statement.
- Write a D if you disagree with the statement.
Before You Read Echinoderms and Invertebrate Chordates After You Read
- A sea star can make its stomach come
out of its mouth. - Many echinoderms can regrow lost body
parts. - A lancelet’s body organs are visible
through its skin. - A tunicate is called a sea squirt because
it is the smallest creature in the sea.