Unit 6A - Pelagic Zone Quiz 2

During a phytoplankton bloom, the organisms produce a flower.

• True

• False

Upwelling is bad for marine organisms like fish.

• True

• False

Changing winds cause upwelling and red tides.

• True

• False

Diatoms are associated with red tide.

• False

• True

Meroplankton are not competitive with adult life forms.

• True

• False

The entire feeding cycle of marine animals is driven by vertical migration.

• False

• True

Which is NOT a characteristic of the pelagic zone?

• most complex food webs

• largest marine ecosystem by size

• more oxygen and food

• dominants are plankton and nekton

Which is NOT a dominant group in the pelagic zone?

• shellfish

• whales

• fish

• plankton

The zooplankton niche is

• decomposers

• consumers

• producers

• carnivores

The phytoplankton niche is

• producers

• carnivores

• consumers

• decomposers