Plankton

Question 1

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

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	True
	False

Question 2

Zooplankton are tiny animals.

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	True
	False

Question 3

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	plants
	drifting or wandering
	microscopic
	aquatic (water-living)

Question 4

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	zooplankton
	the ocean
	algae
	prokaryotes

Question 5

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	zooplankton
	eukaryotes
	prokaryotes
	phytoplankton

Question 6

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

Question 7

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

Question 8

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