Science Notebook - Student Edition

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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.

1. Write an A if you agree with the statement.


2. 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.