Sponges and Cnidarians

Sponges and Cnidarians

Assessment

Flashcard

Biology

7th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What phylum is mainly asymmetrical?

Back

Porifera (sponges)

2.

FLASHCARD QUESTION

Front

What is the description of the Cnidarian digestive tract?

Back

An incomplete digestive tract consisting of one opening.

3.

FLASHCARD QUESTION

Front

What is the polyp body form?

Back

It is sessile and the mouth and tentacles point upward.

4.

FLASHCARD QUESTION

Front

What type of symmetry do Cnidarians have?

Back

Radial symmetry.

5.

FLASHCARD QUESTION

Front

What do jellyfish have instead of a brain or central nervous system?

Back

Nerve Net.

6.

FLASHCARD QUESTION

Front

What are the main characteristics of sponges?

Back

They are asymmetrical, lack true tissues, and have porous bodies.

7.

FLASHCARD QUESTION

Front

How do sponges obtain food?

Back

Through filter feeding using choanocytes.

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