Given below is a pyramid showing various trophic levels in an ecosystem : (a) From the organisms listed…
Given below is a pyramid showing various trophic levels in an ecosystem :
(a) From the organisms listed below, identify which one is to be placed at which trophic level ?
Deer, Grass, Lion, Snake, Rabbit
(b) Discuss the reason why primary consumers will have more energy as compared to secondary consumers ?
(c) Why is the base of the pyramid broad ?
Solution
(a) (i) Grass
(ii) Deer, Rabbit
(iii) Snake, Lion
(iv) Lion
(b) Primary consumers feed on green plants which have large amount
of energy. Only 10% of its energy is available/passed for the next
secondary consumer /trophic level.
(c) The base is broad as the number/energy/mass of producers is
usually the highest in comparison to other trophic levels of the
pyramid.
