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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	aquatic (water-living)
	plants
	microscopic
	drifting or wandering

Question 3

Zooplankton are tiny animals.

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	True
	False

Question 4

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

Question 5

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

Question 6

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

Question 7

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	the ocean
	zooplankton
	algae
	prokaryotes

Question 8

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	phytoplankton
	eukaryotes
	zooplankton
	prokaryotes