Plankton are important producers! If they died, what would most likely happen?

6. Plankton are important producers! If they died, what would most likely happen?
a. The water cycle would stop
b. Pollution would increase
c. Food webs would fall apart
d. The amount of energy the sun sent to Earth would decrease
7. What is NOT an abiotic factor in the ocean? Circle ALL that apply.
a. Water temperature
b. Fish
c. Plankton
d. Water depth
e. Seaweed
f. Jellyfish
g. Sunlight
8. Where is water the WARMEST?
a. At the surface near the equator
b. At the bottom near the equator
c. At the surface near the poles
d. At the bottom near the poles
9. Where is water the COLDEST?
a. At the surface near the equator
b. At the bottom near the equator
c. At the surface near the poles
d. At the bottom near the poles
10. Which statement is true?
a. Warm water rises and cold water sinks because cold water is heavier
b. Warm water rises and cold water sinks because cold water is lighter
c. Warm water rises and cold water sinks because sunlight makes the top warmer
d. Warm water sinks and cold water rises because warm water is heavier
11. What is an example of an adaptation that a marine organism has to survive at a cold temperature?
a. Dinoflagellates glow in the dark
b. Whales have blubber under their skin
c. Whales shoot extra water out of their blowholes
d. Jellyfish sting when something touches them
12. How many zones does the ocean have?
a. 1
b. 2
c. 3
d. 4