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Question

Q. Which of the following are examples of an ecotone?

Which of the above is/are considered an ecotone?


A

1 and 2 only
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B

1, 2 and 3 only
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C

2, 3 and 4 only
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D

1, 2, 3 and 4
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Solution

The correct option is D
1, 2, 3 and 4

Explanation:

An ecotone is a transition area between two biological communities, where two communities meet and integrate.

Statement 1 is correct: Where salt marshes and mangrove forests meet in the temperate‐tropical climatic transition zone, they form an ecotone

Statement 2 is correct: Coastal lagoons are ecotones between marine and terrestrial environments

Statement 3 is correct: Estuaries form a transition zone (ecotone) between river environments and maritime environments.

Statement 4 is correct: Mountain ranges often create such ecotones, due to the wide variety of climatic conditions experienced on their slopes.


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