Which of the following explains why fewer animals live in freshwater than in the ocean?

a. Freshwater is turbulent.
b. Freshwater generally contains less food.


c. Freshwater maintains a constant oxygen content.
d. Freshwater is generally hypotonic to tissue fluids.
e. Freshwater temperatures do not fluctuate much.


d

Biology & Microbiology

You might also like to view...

All of the following are second messengers except

A) calcium ions. B) IP3. C) DAG. D) cameleons. E) PDGF.

Biology & Microbiology

Chemical bonds are based on attractions

between the ____ of two atoms.

a. electrons and protons b. protons c. protons and neutrons d. electrons e. neutrons

Biology & Microbiology

List the stages of interphase and the events that occur during each of these stages.

What will be an ideal response?

Biology & Microbiology

If a blood vessel has valves, it is probably

a. a vein b. an artery c. a venule d. part of the lymphatic system

Biology & Microbiology