Download Aquatic Biomes Quiz Answers

Aquatic Biomes Quiz Answers
1. True or False: Aquatic biomes in the ocean are called marine biomes.
true 2. True or False: Wetlands may be either freshwater or salt water biomes.
false 3. What distinguishes a freshwater biome from a marine biome? Explain
the difference.
The amount of salt. Freshwater biomes have less than 1% salt. 4. Give three examples of freshwater biomes.
ponds and lakes, streams and rivers, and wetlands 5. What are the main limiting abiotic factors for sea life?
The availability of sunlight and the concentration of dissolved oxygen and nutrients in the water. 6. How are aquatic biomes defined?
a) By the amount of sunlight, their depth and their distance from land.
b) By the aquatic organisms that inhabit the biome.
c) By the salt concentration of the water.
d) all of the above
7. What area of the ocean will have the most oxygen and nutrients?
a) An area near the ocean floor far from the shore.
b) An area near the surface and close to the shore.
c) An area near the surface in the middle of the ocean.
d) An area near the surface and close to the ocean floor in the middle of the
ocean.
8. Photosynthesis occurs in the
a) photosynthesis zone.
b) aphotic zone.
c) photic zone.
d) sunlight zone.
9. Why are estuaries considered marine biomes?
a) Because sea urchins, octopuses, and sea stars live there.
b) Because there is a salt concentration greater than freshwater biomes.
c) Because these are places where freshwater streams or rivers merge with the
ocean.
d) all of the above
10. Which statement is characteristic of streams and rivers?
a) They are bodies of flowing water moving in one direction.
b) They start at headwaters and empty into another body of water.
c) They can be found everywhere.
d) all of the above