Q6 of 35 Page 130

Depict a food chain by placing the following organisms in the correct trophic levels:

(snake, grass, eagle, frog, grasshopper)

The correct order of food chain of given organisms is as given below:

Grass → Grasshopper → frog → snake → eagle


It says, grass will be eaten by grasshopper, grasshopper will be eaten by frog, frog will be eaten by snake and snake will be eaten by eagle.


More from this chapter

All 35 →
4

Bacteria and fungi are responsible for the decay of dead plants and animals. Decaying matter is recycled to grow plants. What do we call this?

 5

Fill in the blanks with suitable answers from those given in the brackets.

(harmful, heavy metals, carbon dioxide, sulphur particles)


Generation of waste products which contain Mercury, Uranium, Thorium, Arsenic, and other ________ are _______ to human health and environment. _______ present in the coal will cause acid rain and the release of _________, a greenhouse gas, causes climate change and global warming.

 7

Show an aquatic food chain using the following organisms.

(Small fish, Phytoplanktons, Kingfisher, Zooplanktons)

 8

Observe the following food web:


(i) Find out the wrong statement:


a) ‘A’ is a producer


b) ‘F’ is a herbivore


c) ‘H’ is an omnivore


d) ‘I’ is a climax carnivore