Organisms such as a mackerel sharks and tunas that can maintain a ...

[casperchen82]

Organisms such as a mackerel sharks and tunas that can maintain a relatively constant body temperature are referred to as ________.
 
  A) homeothermic
  B) cold-blooded
  C) poikilothermic
  D) ectothermic
  E) None of the above is correct.

Question 2

Compared to freshwater fishes, marine fishes ________.
 
  A) drink seawater and produce a large volume of urine
  B) do not drink seawater in an effort to conserve as much water as possible
  C) produce a large volume of dilute urine in an effort to rid their bodies of excess water
  D) tend to gain water by osmosis since their internal salt concentration is higher than that of seawater
  E) tend to lose water by osmosis since their internal salt concentration is lower than that of seawater

[jackie]

Answer to Question 1

A

Answer to Question 2

E

[casperchen82]

Thank you!

[jackie]

Always glad to help...