The diagram below represents a food web in a certain ecosystem. a) Name the trophic level occupied by each of the following: i) Caterpillar . ii) Small...

      

The diagram below represents a food web in a certain ecosystem.
52420191615.png
a) Name the trophic level occupied by each of the following:
i) Caterpillar .
ii) Small insects .
b) From the food web, construct two food chains which end with lizards as tertiary consumer.
c) i) Which organisms have the least biomass in this ecosystem?
ii) Explain the answer in c(i) above.

  

Answers


sharon
a) i) primary consumer;
ii) Primary consumer /secondary consumer ;
b) Green plants ® caterpillar ® small insect ® lizards;
Decaying leaves ® caterpillars ® small insect ® Lizards;
c) (i) Hawks;
(ii) At each trophic level energy is lost as heat (respiration); and during decomposition; Heat is also lost in
defecation/faeces/waste product of metabolism/excretion; some parts of the body are not eaten. hence less biomass as one move up the trophic levels;
sharon kalunda answered the question on May 24, 2019 at 13:18


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