Question

Which of the following statement is true for pyramid of biomass?
1 point
a) The biomass in each trophic level is always more than the below trophic level
b) The biomass in each trophic level is always less than the below trophic level
c) The biomass in each trophic level is entirely different compared to below one
d) Trophic level don’t pass energy ko​

Answer 1

Answer:

a.true

Explanation:

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Answer 2

Explanation:

ANSWER

a) Pyramid of numbers represents the number of organisms at each trophic level. Pyramid of biomass represents the biomass of organisms at each trophic level. In most ecosystems, the pyramids of numbers and biomass are upright.

b) In tree dominated ecosystem, the pyramid of numbers is inverted. The first trophic level contains plants. The second trophic level contains birds which are more in number as compared to number of plants.

c) In deep water ecosystem, the pyramid of biomass is upright. The biomass at first trophic level is maximum followed by second trophic level (primary consumer) followed by third trophic level (secondary consumer).

d) Pyramid of energy expresses mainly the amount of energy produced at a particular level and the rate at which it is transferred.

e) Similarly, the pyramid of energy is always upright. Total energy flow at successive trophic levels always decreases from first trophic level to another trophic level.

Thus, the correct answer is 'Pyramid of energy expresses mainly the rate of food production.'