Mader's Concepts in Biology, First Edition

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Sylvia S. Mader

Chapter 33

Question 1

Why don't marine invertebrates such as sea anemones and sea stars have to deal with osmoregulation?

A. they are too small

B. they have no skeleton

C. their blood is isotonic to sea water

D. they have no blood

E. they have no cardiovascular system

Question 2

If you were studying organisms whose blood plasma is hypotonic to sea water you would be studying which of the following?

A. fish

B. sea anemones

C. crabs

D. sea stars

E. squids

Question 3

Which of the following organisms have specialized salt glands that pump salt out of their bodies?

A. bony fish

B. sea stars

C. sea anemones

D. sharks

E. sea birds

Question 4

Ammonia, urea, and uric acid come from ____________ which are removed from amino acids and nucleic acids.

A. urea groups

B. amino groups

C. ammonia groups

D. protein groups

E. uric acid groups

Question 5

A biologist is studying organisms which excrete ammonia. Based on this information you would conclude that he or she is studying which of the following?

A. birdsB. mammalsC. sharksD. bony fishE. reptiles

Question 6

Which of the following organisms excretes urea?

A. bony fish

B. mammals

C. insects

D. reptiles

E. birds

Question 7

If you were studying animals which produce uric acid you would be studying which of the following?

A. birds

B. sharks

C. adult amphibians

D. bony fish

E. mammals

Question 8

Which of the following waste products take the most energy to produce?

A. ammonia

B. carbon dioxide

C. uric acid

D. urea

E. water

Question 9

If you were studying organisms which have flame cells you would be studying which of the following?

A. earthworms

B. fish

C. insects

D. sharks

E. planarians

Question 10

In the segmented body of an annelid, there are paired excretory structures called:

A. flame cells

B. kidneys

C. malpighian tubules

D. nephridia

E. nephrons

Question 11

A biologist is studying the excretory system of insects. Based on this information you would conclude that he or she is studying which of the following?

A. flame cellsB. kidneysC. malpighian tubulesD. nephridiaE. nephrons

Question 12

Why is the blood of cartilaginous fish nearly isotonic to sea water?

A. it contains lots of carbon dioxide

B. it contains lots of urea

C. it contains lots of ammonia

D. it contains lots of amino acids

E. it contains lots of uric acid

Question 13

Which of the following organisms needs to constantly drink to prevent from becoming dehydrated?

A. marine bony fish

B. sharks

C. desert mammals

D. freshwater fish

E. sea birds

Question 14

Because of their tendency to constantly gain water by osmosis across their gills and body structures, which of the following organisms never need to drink?

A. sharksB. clamsC. freshwater fishD. sea anemonesE. marine bony fish

Question 15

Which of the following organisms obtain their water through cellular respiration and never needs to drink water?

A. reptiles

B. marine amphibians

C. marine mammals

D. kangaroo rats

E. birds

Question 16

A biologist is studying organisms which have specialized glands to pump excess salt out of their bodies. Based on this information you would conclude that he or she could be studying all of the following organisms except:

A. marine mammals

B. desert mammals

C. marine reptiles

D. marine birds

E. all have salt-excreting glands

Question 17

The kidneys are where urine is stored until it is voided from the body.

A. true

B. false

Question 18

The outer portion of the kidney is referred to as:

A. the renal medulla

B. the renal nephron

C. the renal pelvis

D. the renal cortex

E. the renal collecting duct

Question 19

Which is the correct order by which urine leaves the body?

A. kidney, ureter, urinary bladder, urethra

B. kidney, urethra, urinary bladder, ureter

C. kidney, urinary bladder, ureter, urethra

D. kidney, urethra, ureter, urinary bladder

E. kidney, ureter, urethra, urinary bladder

Question 20

If you were studying the tube which connects the kidneys and the urinary bladder you would be studying which of the following?

A. the urethra

B. the renal tubule

C. the distal convoluted tubule

D. the proximal convoluted tubule

E. the ureter

Answer Key – Chapter 331. C2. A3. E4. B5. D6. B7. A8. C9. E10. D

11. C12. B13. A14. C15. D16. B17. B18. D19. A20. E