Q80 of 163 Page 230

Match the terms given in column I with the terms given in column II and column III having the same meaning:

(A)


i) consumer-Carnivore-3rd trophic level


ii) Primary consumer-Herbivore- 2nd trophic level


iii) Producer-Autotroph-1st trophic level


iv) Tertiary consumer-Large Carnivore-4th trophic level


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78

What would happen to the number of rabbits and grass plants if the number of foxes:

(a) Increased


(b) Decreased

 79

What would happen to the number of grass plants and foxes if the number of rabbits:

(a) Increased


(b) Decreased

 80

Give one example of a food chain having four organisms. Below each organism write the three appropriate terms from the part (a) above which you think it represents.

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What percentage of the solar energy is trapped and utilized by the plants?