Course

Introductory Biology

Study Pack

Set 24 Animal Diversity I Invertebrates

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Question 1

(Multiple Choice)

Free
A multicellular organism that lacks cell walls and obtains energy by eating other organisms is a(n)

A) chytrid.
B) plant.
C) fungus.
D) alga.
E) animal.

Answer

Question 2

(Multiple Choice)

Free
Organisms that are radially symmetrical have _ embryonic germ layers.

A) two
B) three
C) four
D) five
E) six

Answer

Question 3

(Multiple Choice)

Free
A _ is an organism whose body cavity forms between the body wall and the digestive system.

A) sponge
B) deuterostome
C) nematode
D) hermaphrodite
E) protostome

Answer