Chapter 15 multiple choice

Question 0

Organism with of tough plates protecting them have

Answer 0

An exoskeleton

Question 1

An organism that is per mantle attached to the ground is?

Answer 1

Sessile

Question 2

Cells that move in the mesenchyme of sponges are called

Answer 2

Amoebocytes

Question 3

The body cavity of an animal is a

Answer 3

Coelom

Question 4

Platy-means

Answer 4

Flat

Question 5

The type of symmetry illustrated by the earth worms is

Answer 5

Bilateral

Question 6

The least efficient method of removing unwanted sponges from a swimming beach would be to?

Answer 6

Cut them into pieces and throw the into the sea

Question 7

If a midline divides an organism into two equal side by side segments, the organism has?

Answer 7

Asymmetrical

Question 8

A muscular throat cavity is a?

Answer 8

Coelom

Question 9

The underside or the lower body surface is the?

Answer 9

Lateral side

Question 10

An organism that possesses both male and female reproductive organs is?

Answer 10

Hermaphroditic

Question 11

The body type of nematodes is

Answer 11

Flat and un segmented

Question 12

An earthworms brain is actually a pair of?

Answer 12

Ganglia

Question 13

The shell of a mollusk is called the

Answer 13

Valve

Question 14

Excretion in planarians is carried on by?

Answer 14

Flame cells and tubules

Question 15

The respotory organs of aquatic mollusks are the

Answer 15

Radulas

Question 16

Nematoda

Answer 16

Ascaris

Question 17

Clam

Answer 17

Bivalvia

Question 18

Sponge

Answer 18

Porigera

Question 19

Snail

Answer 19

Mollusca

Question 20

Human liver fluke

Answer 20

Platyhelminthes