Plankton

Question

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

Question

Zooplankton are tiny animals.

Your answer	Choice	Feedback	Correct answer
	True
	False

Question

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

Question

Your answer	Choice	Feedback	Correct answer
	zooplankton
	prokaryotes
	phytoplankton
	eukaryotes

Question

Your answer	Choice	Feedback	Correct answer
	prokaryotes
	the ocean
	algae
	zooplankton

Question

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

Question

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

Your answer	Choice	Feedback	Correct answer
	True
	False

Question

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