1.  each existing community changes the environment

2.  climatic changes lead to reduced water availability

3.  most population have a limited life span and die making room from others

4.  resources in an area are lmited

4
Correct Answer :

each existing community changes the environment


Explanation :
No Explanation available for this question

1.  it contains very rare species of plants and animals

2.  the soil is rich in minerals

3.  there the areas of land were used extensively for agricultural purposes

4.  it has pine trees

4
Correct Answer :

it contains very rare species of plants and animals


Explanation :
No Explanation available for this question

1.  biological augmentation

2.  disruption of interaction networks

3.  number of endemic species and degree of threat

4.  habitat destruction

4
Correct Answer :

number of endemic species and degree of threat


Explanation :
No Explanation available for this question

1.  Carausius morosus

2.  Kalmia parolecta

3.  Mantis religiosa

4.  All of the these

4
Correct Answer :

All of the these


Explanation :
No Explanation available for this question

1.  Weatern ghats and North-East region

2.  Deccan peninsula and Sunderbans

3.  Semi-arid zone and North-East region

4.  Andaman and Nicobar islands

4
Correct Answer :

Weatern ghats and North-East region


Explanation :
No Explanation available for this question

1.  7years

2.  3years

3.  25years

4.  5years

4
Correct Answer :

3years


Explanation :
No Explanation available for this question

1.  over-exploitation

2.  habitat destruction

3.  global warming

4.  predation

4
Correct Answer :

over-exploitation


Explanation :
No Explanation available for this question

1.  5

2.  10

3.  20

4.  40

4
Correct Answer :

10


Explanation :
No Explanation available for this question

1.  Increase in X complement

2.  Decrease in X complement

3.  Increase in Y component

4.  None of these.

4
Correct Answer :

Increase in X complement


Explanation :
No Explanation available for this question

1.  competition

2.  parasitism

3.  commensalism

4.  mutualism

4
Correct Answer :

parasitism


Explanation :
No Explanation available for this question

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