which problem will arise if there is either increase or decrease number of any component of Food Chain and Food Web

Dear student,
If there is increase in the number in the higher trophic level this would lead to competition among the members of the higher trophic level because of inadequate food to them,thus this would finally lead to decrease in the number in the higher trophic level due to inadequate food.
eg:-If the number of Frog remains same and the number of snakes increases this will finally lead to decrease in the number of snakes due to inadequate food to them.

Thus there should be adequate balance between the members in both lower and higher trophic levels in a given food chain to maintain the food web.

Hope this information will clear your doubts about topic.

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