Unit #5 Quiz #4

Grade:«grade»

Subject:Aquatic Science

Date:«date»

1 The smooth inner layer of a gastropod's shell is called the:

A RadulaB Nacreous LayerC Primastic LayerD Periostracum

2 If the tissue making up the radula of a gastropod was lost, which of the following would most likely occur.

A Food consumption would decrease

B The gastropod would move much more slowly due to a loss of muscular tissue

C The shell would become weaker due to a lack of calcium

D The vision of the gastropod would decrease due to a reduction of vitamin K

3 The terminal end of the excretory system found within most crustaceans is located on the:

A Ventral portion

B Posterior portion

C Dorsal postion

D Anterior portion

4 The animal in the following picture represents ____________.

A asymmetry

B radial symmetry

C bilateral symmetry

D hexamerism

5 Which of the following is used to walk across the benthic zone in search of food:

A

B

C

D

6 Why do sea urchins have the longest tube feet of all echinoderms?

A They use these long tube feet to open the shells of the strongest bivalves

B The need the long tube feet to reach food from their most anterior end to their most posterior end to feed

C They need long tube feet to reach beyond or between their protective spines

D They use these long tube feet to help open and close their shell-crushing teeth

7 Which of the following would be best used to detect a deleterious chemical in the water:

A

B

C

D

A

B

C

D

8 The root terms for gastro-pod mean:

A joint foot

B head foot

C stomach foot

D two shell

9 All of the following are true about the differences between crabs and shrimp EXCEPT:

A Relatively, crabs have a larger cephalothorax

B The antenna of shrimp, especially banded coral shrimp, are much longer than those of crabs

C The telson of a shrimp is used for escape, where as most crab do not have a significant telson

D Relatively, the abdomen of crabs are much larger and more ventral than those of shrimp

10 An organism such as a slug or snail have a ___________ system, which is driven by an organ called ___________.

A closed respiratory system, hemolymph pump

B open respiratory system, active gills

C closed circulatory system, hemolymph pump

D open circulatory system, hemolymph pump

11 Approximately what percentage of all known animal species are considered Arthropods.

A 98%

B 85%

C 55%

D 15%

12 Which of the following is used to make a quick escape & fling substrate at a threat:

A

B

C

D

13 The mantle secretes:

A Digestive enzymes

B The foot that is used for mobility & digging

C The cells that become the coelom (pericardium)

D Calcium carbonate that forms the shell

14 The animal in the following pictures represents _________.

A asymmetry

B radial symmetry

C bilateral symmetry

D hexamerism

15 What compound makes up the exoskeleton of arthropods?

A calcium carbonate

B spongin

C spicules

D chitin

16 All of the following are associated with a crustacean's detection & consumption of food EXCEPT:

A Mandibles

B Antenna

C Swimmeretes

D Claws

17 The visceral mass contains:

A The radula and the foot

B The nervous tissue responsible for cephalization

C The cells that secrete the shell

D The internal organs

18 The animal in the following pictures represents ___________.

A asymmetry

B radial symmetry

C bilateral symmetry

D hexamerism

19 What chemical makes up the endoskeleton of echinoderms?

A Calcium carbonate

B spongin

C spicules

D chitin

20 Many of the walking legs and claws of crustaceans are covered in tiny hairs. What are these hairs called?

A swimmerets

B tactile hairs

C insular hairs

D sebaceous hairs