What will happen if the deer is missing in the food chain given below?

Grass → Deer → tiger

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The population of tigers increases

The population of grass increases

Tiger will start eating grass

The population of tigers decreases and the population of grass increases.

answer is D.

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Detailed Solution

Concept: The term "food web" refers to the network of interconnected food chains that make up an ecosystem. In an ecosystem, each organism is dependent on other organisms for life and food supply.
The deer consumes the grass in a grazing food chain, and the tiger will eventually consume the deer. The number of grass will rise quickly if the deer disappears from the food chain because there won't be any herbivores to keep it in control. Due to a lack of food, the tiger population will also decrease at the same time.
Hence, option 4 is the correct answer.

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