Plankton

Question 1

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	drifting or wandering
	aquatic (water-living)
	microscopic
	plants

Question 2

Zooplankton are tiny animals.

Your answer	Choice	Feedback	Correct answer
	True
	False

Question 3

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	Millions of cells
	Hundreds of cells
	Thousands of cells
	A few dozen cells

Question 4

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	To see in the dark
	To scare away predators
	Just for fun
	To attract a mate

Question 5

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	eukaryotes
	prokaryotes
	zooplankton
	phytoplankton

Question 6

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	algae
	the ocean
	prokaryotes
	zooplankton

Question 7

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	it kills large predators like sharks.
	it makes the water more acidic.
	it makes the water saltier.

Question 8

All plankton are microscopic (too small to see without a microscope).

Your answer	Choice	Feedback	Correct answer
	True
	False