Plankton

Question 1

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

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	True
	False

Question 2

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	algae
	prokaryotes
	zooplankton
	the ocean

Question 3

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

Question 4

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	zooplankton
	prokaryotes
	phytoplankton
	eukaryotes

Question 5

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	plants
	drifting or wandering
	aquatic (water-living)
	microscopic

Question 6

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

Question 7

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

Question 8

Zooplankton are tiny animals.

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	True
	False