Question

3. What will happen to the food chain below, if the bear population is wiped out of the forest? Plants → Deer → Bears Ans: LEAD SCHOOL​

Answer 1

Answer:

the population of deers will increase and the number of plants in the enviroinment will decrease rapidly.

Explanation:

Bears eat deers, deers eat plats ( as mentioned ). if the bear is gone, then there is no one to eat the deer and so the deers' population will increase but never decrease. Now, if there are more deers then all of them will eat and eat plants, then the number of plants will also decrease.

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Answer 2

If the bear population(secondary consumer) becomes extinct, the number of primary consumers, here the deer population will rise naturally due to the absence of predators which in turn depletes the bottom level of trophic level i.e primary producers(eg. plants)

• A food chain demonstrates how organisms are linked by the food they consume. Each trophic level in a food chain is represented by a distinct level of the food chain.
• Because all food chains are interconnected, any disruption in one has an impact on the others. If one species in the food web goes extinct, one or more members of the rest of the chain may go extinct as well.
• A keystone species can be found in many food webs. A keystone species is one that has a significant impact on the environment and can have a direct impact on the food chain. If this keystone species becomes extinct, the entire food chain will be thrown off. Herbivores are kept from exhausting all of the leaves in their ecosystem by keystone species, preventing mass extinction.
• Overbrowsing as a result of such substantial deer populations due to the absence of bear community can change the balance of plant groups and have a negative impact on forest regeneration.