Consider the following statements (A) - (D) each with one or two blanks.

(A) Bears go into --(1) -- during winter to --(2) -- cold weather

(B) A conical age pyramid with a broad base represent --(3) -- human population

(C) A wasp pollinating a fig flower is an example of  --(4) -- 

(D) An area with high levels of species richness is known as  ---(5)----

which one of the following option give the correct fill ups for the respective blank numbers from (1) to (5) in the statements

  • Option 1)

    (2) - stable (4) commensalism, (5) marsh

  • Option 2)

    (1) - aestivation , (5) - escape, (3) - stable, (4) - mutualism

  • Option 3)

    (3) - expanding, (4) - commensalism, (5) biodiversity park

  • Option 4)

    (1)- hibernation, (2) - escape, (3) expanding, (5) hot spot

 

Answers (1)

As discussed in

Suspend in animals -

In animals, the organism, if unable to migrate, might avoid the stress by escaping in time.

- wherein

The familiar case of bears going into hibernation during winter is an example of escape in time. Some snails and fish go into aestivation to avoid summer–related problems-heat and desiccation. Under unfavourable conditions, many zooplankton species in lakes and ponds are known to enter diapause, a stage of suspended development.

 

 As discussed in

Hot Spots -

Hot Spots refer to the area with high density of diversity or mega diversity which are threatened at present.” There are around 16 hot spots, out of which two are located in India by the name Western Ghats and North-East Himalayas. These hot spots are determined on the basis of four factors 

- wherein

  • Degree of expectation
  • Degree of endemism
  • Number of species diversity
  • Degree of threat to habitat as a result of fragmentation and degradation.

 

 


Option 1)

(2) - stable (4) commensalism, (5) marsh

This solution is incorrect

Option 2)

(1) - aestivation , (5) - escape, (3) - stable, (4) - mutualism

This solution is incorrect

Option 3)

(3) - expanding, (4) - commensalism, (5) biodiversity park

This solution is incorrect

Option 4)

(1)- hibernation, (2) - escape, (3) expanding, (5) hot spot

This solution is correct

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