Plankton

Question 1

Your answer	Choice	Feedback	Correct answer
	Just for fun
	To attract a mate
	To see in the dark
	To scare away predators

Question 2

Your answer	Choice	Feedback	Correct answer
	A few dozen cells
	Thousands of cells
	Millions of cells
	Hundreds of cells

Question 3

Your answer	Choice	Feedback	Correct answer
	it kills large predators like sharks.
	it makes the water saltier.
	it makes the water more acidic.

Question 4

Your answer	Choice	Feedback	Correct answer
	eukaryotes
	zooplankton
	prokaryotes
	phytoplankton

Question 5

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

Question 6

Your answer	Choice	Feedback	Correct answer
	prokaryotes
	zooplankton
	the ocean
	algae

Question 7

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

Your answer	Choice	Feedback	Correct answer
	True
	False

Question 8

Zooplankton are tiny animals.

Your answer	Choice	Feedback	Correct answer
	True
	False