Many Zooplankton Migrate to the Surface to Graze on Phytoplankton

question 32

True/False

Many zooplankton migrate to the surface to graze on phytoplankton during the day and retreat to deeper water during the night.

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Definitions:

Physical Needs

Basic requirements for human survival, such as food, water, shelter, and sleep.

Hyperphagic

Characterized by excessive eating.

Aphagic

Characterized by undereating.

Esteem Needs

According to Maslow's hierarchy of needs, these are the fourth level and involve the desire for respect, self-esteem, and recognition from peers.