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Explain why very small animals are rarel...

Explain why very small animals are rarely found in polar region.

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Very small animals are rerely found in polar regions because

Give reasons for the following: a. Very small animals are rarely found in polar regions. b. Mammals from colder climate generally have shorter ear and limbs. c. Initially we feel nausea and fatigue when we reach a high altitude such as Rohtang Pass and then, gradually, we feel normal.

Assertion: Very small animals are rarely found in polar regions. Reason: Smaller animals have larger area to volume ratio, they tend to lose heat very fast when it is cold outside then they have to expend much energy to generate body heat through metabolism.

Assertion : Small sized animals are rarely found in polar regions. Reason : Small sized animals have larger surface area relative to their volume and they have to spend much energy to generate body heat through metabolism.

Heat loss or heat gain is a function of surface area Very ________ animals are rarely found in polar regions.

Assertion:- Very small organisms rarely found in polar regions. Reason:- Small animals have a larger surface area relative to their volume, they tend to lose body heat very fast when it is cold outside.

Explain why it is possible for a small animal to fall from a considerable height without any injuries being caused when it reaches the ground.

MODERN PUBLICATION-ORGANISMS AND POPULATIONS -REVISION EXERCISES (III. SHORT ANSWER TYPE - I QUESTIONS) (A. QUESTIONS FROM STATE BOARD EXAMINATIONS)
  1. Define the following terms: (a) Parasitism (b) Aestivation (w.r.t to...

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  2. Define the following terms. (a) Mimicry (b) Hibernation (c) Habitat.

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  3. Define the following terms: (a) Symbiosis (b) Pheromones (c) Epiphyt...

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  4. Define predation. Give one example.

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  5. Define parasitism. Give one example.

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  6. Name any one symbiotic nitrogen fixing bacteria. How does help in nitr...

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  7. Define symbosis. Give two examples.

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  8. Differentiate allelopathy and antibiosis.

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  9. What are the factors of population growth?

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  10. "The Indian Government took up many serious measures to check the cont...

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  11. Explain why very small animals are rarely found in polar region.

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  12. What are the various adaptations of parasites ?

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  13. Brood parasite is

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  14. What is amensalism and commensalism?

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  15. Differentiate between Hibernation and Aestivation.

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  16. A prey develops defence against a predator, Justify the statement with...

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  17. Mention any two mechanisms how human body compensates low oxygen avai...

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  18. Match the column (A) and (B) :

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  19. Observe flow chart given below: (a) Name the processes represented a...

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  20. What is age pyramid ? Draw the expanding age pyramid and label its par...

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