Marine Invertebrates

What are these organisms?

• Sea anemone

• Sea star

• Sea sponge

• Sea urchin

Tags

NGSS.MS-LS4-2

What type of body symmetry do these organisms have?

• asymmetry

• radial

• bilateral

• all of the answer choices are correct

What phylum are these organisms classified under?

• cnidaria

• echinodermata

• ctenophora

• cephalopoda

Tags

NGSS.MS-LS4-2

How would you classify a sea jelly?

• Porifera

• cnidarian

• Mollusca

• Arthropoda

Sponges use pores to 

• move from place to place.
• filter food from the water.
• defend themselves.
• clean themselves

This animal exhibits...

• Radial Symmetry

• Bilateral Symmetry

• no symmetry

More than 90% of all living animal species are invertebrates.

• true

• false

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

• Bilateral Symmetry

• Radial Symmetry

• Asymmetrical

living permanently attached to the bottom or some other hard surface.

• sessile

• Porifera

• Osculum

• Spicules

Any animal that lacks a vertebral column, or back bone.

• sea turtle

• invertebrates

• Suspension feeders

• always have a hard outer shell.