Plankton

Question 1

Your answer	Choice	Feedback	Correct answer
	drifting or wandering
	plants
	aquatic (water-living)
	microscopic

Question 2

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

Question 3

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

Question 4

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

Question 5

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

Your answer	Choice	Feedback	Correct answer
	True
	False

Question 6

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	eukaryotes
	prokaryotes
	phytoplankton
	zooplankton

Question 7

Zooplankton are tiny animals.

Your answer	Choice	Feedback	Correct answer
	True
	False

Question 8

Your answer	Choice	Feedback	Correct answer
	prokaryotes
	the ocean
	algae
	zooplankton