Q8 of 163 Page 226

Which category of organisms forms the starting point of a food chain?

Producers form the starting point of a food chain. Producers are autotrophic and they produce their own food through photosynthesis.


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6

What are planktons?

 7

State whether the following statements are true or false:

(a) In biology, human beings are called producers.


(b) Secondary consumers and tertiary consumers, both are carnivores.

 9

Which of the following belong to the same trophic level?

Goat; Spider; Plants; Hawk; Rat

 10

Which of the following belong to the same trophic level?

Tree; Frog ; Snake ; Grass ; Lizard