Educational worksheet on food chains and food webs with a diagram and comprehension questions.

1. a. The arrow means "is eaten by" or "provides energy to".
b. The producer is lettuce.
c. The third trophic level is thrush.
d. The tertiary consumer is cat.

2. a. grass → rabbit → fox
b. grass → mouse → cat
c. grass → mouse → thrush → cat
d. grass → insect → thrush → cat

3. a. The food web has 4 food chains.
b. The consumer that eats both insects and mice is the thrush.
c. The owl eats mice and rabbits.
d. The rabbit eats grass.