Plankton

Question 1

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

Your answer	Choice	Feedback	Correct answer
	True
	False

Question 2

Your answer	Choice	Feedback	Correct answer
	the ocean
	prokaryotes
	algae
	zooplankton

Question 3

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

Question 4

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

Question 5

Zooplankton are tiny animals.

Your answer	Choice	Feedback	Correct answer
	True
	False

Question 6

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

Question 7

Your answer	Choice	Feedback	Correct answer
	prokaryotes
	phytoplankton
	eukaryotes
	zooplankton

Question 8

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