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प्रश्न
Explain hibernation and aestivation with examples.
उत्तर
In certain conditions, if the organisms is unable to migrate, it may avoid the stress by becoming inactive. This is seen commonly in bears going into hibernation during winter. Some snails and fish go into aestivation to avoid summer related problems like heat and desiccation.
संबंधित प्रश्न
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Read the following statement. Write a paragraph about adaptation with reference to the statement.
We hide.
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We have long ears.
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Match the columns.
| I | II | ||
| i. | Behavioural adaptation | a. | Desert plants possess CAM pathway |
| ii. | Morphological adaptation | b. | Mammals from colder climates possess shorter snout, tail, ears and limbs |
| iii. | Physiological adaptation | c. | Desert lizards regulate body temperature |
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Match the Column I with Column II and select the correct option.
| Column I | Column II | ||
| i. | CAM pathway | a. | Bv product-water |
| ii. | Opuntia | b. | Possess shorter ears and limbs |
| iii. | Mammals from colder climate | c. | Leaves reduced to spines |
| d. | Stomata remains closed during daytime |
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