Levels of organisation within an ecosystem - trophic levels test questions - Eduqas

1

What type of organism starts all food chains?

2

What do the arrows in a food chain represent?

3

Which of these is likely to be a herbivore?

4

What would happen to the numbers of owls if a new predator which ate shrews was introduced into this food web?

Food web. Oak tree provides food for squirrels, caterpillars, fungi and earthworms. Earthworms are eaten by shrews and wood mice, which are eaten by owls. Wood mouse and squirrel are eaten by foxes.

5

Which organisms are decomposers?

6

How do decomposers digest dead material?

7

What chemical reaction do almost all consumers complete?

8

In a food chain, which trophic level represents the producer?

9

What type of animal eats both plants and animals?

10

What type of animal is found on the second trophic level?