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Ecosystem

Which of the ...

Question

Which of the following helps to maintain species diversity in a community?

A

Omnivores

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B

Predators

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C

Herbivores

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D

Facultative parasites

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Solution

The correct option is A Predators
Predation interaction provides the necessary stability for species to exist in ecosystems. They do so by keeping the size of species populations in check at supportable levels. When prey is high, predators increase and reduce the number of prey by predation. When predators are high, prey decrease and thus reduce the number of predators by starvation.
Thus, the correct answer is option B.

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Q. Which of the following can be possible benefits of predation?

1. It helps in transfer of energy in an ecosystem
2. It helps maintain ecosystem stability
3. Helps in maintaining species diversity

Q. Choose the correct statements.
(a) Maintaining ecological processes help in wildlife conservation.
(b) Enriching wildlife diversity with exotic species ensures wildlife conservation.
(c) Preventing migration of species help in wildlife conservation.
(d) Maintaining biodiversity helps in wildlife conservation.

Q. Identify the correct statements from the following.
(I) Predator helps in maintaining species diversity
(II) A lion eating a deer and a sparrow eating grain are ecologically similar in being consumers
(III) Predators ultimately lead to the extinction of prey species
(IV) Production of chemicals such as nicotine, strychnine by plants are metabolic disorders

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Q. Which process helps to maintain the continuity of species?

Q. Study the statements and select the correct ones
(a) A lion eating a deer represents predator-prey relationships.
(b) Predator star fish, pisaster, helps in maintaining species diversity of some invertebrates.
(c) Predators ultimately lead to extinction of prey species
(d) Plant chemicals like nicotine and strychnine are produced due to metabolic disorders.

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