Exercise Unit 3

Check Your Understanding About Food Chain and Food Web

Questions 1-4 are based on the food web shown.

1. Snake gets the energy from:

A. rat

B. grasshopper

C. eagle

D. paddy

2. Which of the following is a producer?

A. Rat                                 C. Chicken

B. Eagle                              D. Paddy

3. How many food chains are there in this food web?

A. Three                             C. Five

B. Four                               D. Six

4. Which of the following animals in the food web are herbivores?

A. Grasshopper, rat            C. Snake, eagle

B. Chicken, rat                   D. Eagle, grasshopper

5. Study the following pictures and answer the questions.

(a) Identify a herbivore and a carnivore.

(b) Construct a food web based on the pictures given.

(c) Predict what will happen to the population of eagles if all the rabbits are killed.