L03 practice questions

Question 1

What is unit of measurement is most appropriate for measuring the mass of a coin?

Answer 1

grams

Question 2

Arrange the following steps of glucose homeostasis in order if blood glucose rises too high:
1. the stimulus for insulin release diminishes
2. the liver takes up glucose and stores it as glycogen
3. pancreatic cells release insulin into the blood.

Answer 2

• 3, 2, 1

Question 3

Phytoplankton –> shrimp –> trigger fish –> reef sharks. What is the trophic level of trigger fish?

Answer 3

• secondary consumer

Question 4

As you move up on a biomass pyramid, what happens to the mass?

Answer 4

decreases

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Question 5

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Question 6

The biomass of producers in a biomass pyramid ___ that of consumers

Answer 6

outweighs

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