Food Webs

When a millipede breaks down dead and decaying material, it is acting as what?

• a decomposer
• an apex predator
• a producer
• prey

What might happen if there were no apex predators in this ecosystem?

• zebra population would grow fast
• other animals wouldn't have enough grass to eat
• the food web would be out balance
• all of the above

Which animal is the apex predator in this food web?

• eagle
• mouse
• spider
• snake

This diagram is a model of which of these?

• food web
• food pyramid
• food chain
• life cycle

Which of these is an example of a producer?

• snake
• worm
• human
• grass

Where do zebras fit into the food web?

• middle
• bottom
• top
• side

Which of these keeps prey populations under control?

• apex predator
• zebra
• producer
• decomposer

Food of almost any kind can be traced back to what?

• the sun
• animals
• plants
• soil

Which of these is a consumer?

• sun
• human
• trees
• plants

Which of these does most of the decomposing on Earth?

• bacteria and fungi
• millipedes
• worms
• roaches