The lakes, in which one has three trophic levels and the other has four trophic levels, also to understand which one has the higher net production rate with reason, and the effect of omnivore on the net primary production (NPP), when added to the top of the food web with four trophic levels. Introduction: The trophic levels in the food web describe the position of the organism with respect to the energy gained by the organism. For example, the herbivores obtain one-tenth of the energy assimilated by the plants and the carnivores obtain one-tenth of the energy assimilated by the herbivores. Hence, the plants are considered as primary producers, and they occupy first trophic level. The herbivores mainly occupy the second trophic level and the lions occupy the third trophic level. The NPP is measured in terms of the carbon available by plants after respiration.

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Chapter 57.3, Problem 2R

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The lakes, in which one has three trophic levels and the other has four trophic levels, also to understand which one has the higher net production rate with reason, and the effect of omnivore on the net primary production (NPP), when added to the top of the food web with four trophic levels.

Introduction:

The trophic levels in the food web describe the position of the organism with respect to the energy gained by the organism. For example, the herbivores obtain one-tenth of the energy assimilated by the plants and the carnivores obtain one-tenth of the energy assimilated by the herbivores. Hence, the plants are considered as primary producers, and they occupy first trophic level. The herbivores mainly occupy the second trophic level and the lions occupy the third trophic level. The NPP is measured in terms of the carbon available by plants after respiration.

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