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Earn 100

Which one of the following is one of the characteristics of a biological community?
(a)Stratification
(b)Natality
(c)Mortality
(d)Sex ratio

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Important Questions on Ecosystem
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Give one significant contribution of the following scientist.
R.Mishra

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I) In a thermally stratified lake, in winter, the upper layer is known as epilimnion.
II) Animals in a lake that are capable of swimming constitute neuston.
III) The natural interconnections of food chain forms a network called food web.
IV) Energy flow in an ecosystem is unidirectional.

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Give a reason for the following.
The equilibrium of a forest ecosystem can be disturbed by the uncontrolled hunting of big predators.


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