Why it is important to preserve the prey predator chains?

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Solution

It is important to preserve the prey predator relationship because an imbalance in that would disturb the ecological balance of nature and can lead to several harmful effects on a particular ecosystem.

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Give reasons.

(a) It is very important to preserve the prey-predator chains.

(b) The single crop method can prove harmful.

Q. Look at the graph. It shows a typical variation of populations of predators (wolves, tigers etc.) and prey (deer, rabbits etc.) in a habitat such as a forest.

Answer these questions.
1. Why is the predator population always lower than the prey population?
2. Point A is the rainy season. Why is the prey population increasing?
3. Why does the predator population starts increasing after the increase in the prey population?
4. As the predator population increases, why does the prey population starts declining (point B)?
5. Why does the predator population now start to decrease (point C)?
6. Will the graph maintain the same shape if a calamity such as disease struck the prey and they died in large numbers? What do you expect will happen?

A predator is chasing its prey. The predator takes 4 leaps for every 6 leaps of the prey and the predator covers as much distance in 2 leaps as 3 leaps of the prey. Will the predator succeed in getting its food?

Q. In a population of predator and prey it was seen that when the prey population was numerically high the predator population consumed more and more prey. This is because the predator population

Q. With reference to food webs in ecosystems, consider the following statements:

1. Food web represents feeding relationships within a community
2. Food web offers an important tool for investigating the ecological interactions that define energy flows and predator-prey relationship
3. A food web consists of a number of food chains meshed up together.

Which of the statements given above is/are correct?

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