Food of almost any kind can be traced back to what?
Does this diagram model a food chain or food web? Explain your thinking.

Which of these is an example of a producer?
Where would zebras fit into a food web: bottom, middle, or top? Explain your thinking.
Which of these is an example of a consumer?
Which of these keeps prey populations under control?
When a millipede breaks down dead and decaying material, it is acting as a what?
Which animal is the apex predator in this food web: eagle, mouse, spider, or snake? Explain how you know.
