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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 represents __(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 options give the correct fill ups for the respective blank numbers from (1) to (5) in the statements?

1. (a) (2) - stable (4) commensalism, (5) marsh
2. (b) (1) - aestivation, (5) - escape, (3) - stable, (4) - mutualism
3. (c) (3) - expanding, (4) - commensalism, (5) biodiversity park
4. (d) (1) - hibernation, (2) - escape, (3) - expanding, (5) hot spot

Correct answer: (d) (1) - hibernation, (2) - escape, (3) - expanding, (5) hot spot

Solution

Hibernation is a strategy used by bears to escape cold weather. A conical age pyramid with a broad base indicates an expanding population. The relationship between a wasp and a fig flower is mutualism, and areas with high species richness are called biodiversity hotspots.

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