Marine Invertebrates

This animal exhibits...

• Radial Symmetry

• Bilateral Symmetry

• no symmetry

An organism can be divided into equal halves by drawing any number of lines through center.

• Bilateral Symmetry

• Radial Symmetry

• Asymmetrical

This animal has what symmetry?

• Bilateral

• Asymmetric

• No symmetry

• Radial

This animal has what type of symmetry?

• Bilateral

• Radial

• No Symmetry

• Asymmetric

What phylum does a sea star belong to

• Echinoderm

• Nematoda

• Arthropoda

• Platyhelminthes

Tags

NGSS.MS-LS4-2

What does the word echinoderm mean?

• Striped skin

• Spiny skin

• Spiky skin

• Soft skin

A network of water filled canals with thousands of tubes connected to it.

• tube feet

• sea star

• water vascular system

• endoskeleton

An echinoderm with five arms arranged around a center point.

• sea cucumber

• sea star

• sand dollar

• tube feet

Hollow thin walled tubes that each end in a suction cup

• tube feet

• tentacles

• sand dollar

• sea star

Echinoderms have no head or brain.

• True

• False