Question

Write a short note on
(a) Adaptations of desert plants and animals.
(b) Adaptations of plants to water scarcity.
(c) Behavioural adaptations in animals.


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Answer 1

Answer:

a) Plants-

1. They have thick, waxy skin to reduce loss of water and to reflect heat.

2. They have large, fleshy stems to store water

thorns and thin, spiky or glossy leaves to reduce water loss.

3. The Spikes protect cacti from animals wishing to use stored water deep roots to tap groundwater.

4. They can also long shallow roots which spread over a wide area plants lie dormant for years until rain falls.

Animals-

1. They have long eye lashes, hairy ears and closing nostrils help to keep out sand . The Thick eyebrows which stand out and shade eyes from the sun

2. They have wide feet so they don't sink in the sand.

3. They can go without water for over a week because they can drink gallons in one go

they can go months without food - they store fat in their humps.

4. The Body temperature can change to avoid losing water through sweatingthey are well camouflaged thick fur helps to keep them warm at night.

5. They also passes out a small amount of urine.

b) Plants to scarcity of water-

Plants found in deserts are well adapted to cope with water scarcity and scorching heat of the desert. Plants have an extensive root system to tap underground water. They bear thick cuticles and sunken stomata on the surface of their leaves to reduce transpiration.

c) Behavioural adaptions in animals-

Actions animals take to survive in their environments. Examples are hibernation, migration, and instincts. Example: Birds fly south in the winter because they can find more food.

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Answer 2

Hola mate

Here is your answer -

(a) Adaptations of desert animals: ... Plants found in deserts are well adapted to cope with water scarcity and scorching heat of the desert. Plants have an extensive root system to tap underground water. They bear thick cuticles and sunken stomata on the surface of their leaves to reduce transpiration.

(b)Plants found in deserts are well adapted to cope with harsh desert conditions such as water scarcity and scorching heat. Plants have an extensive root system to tap underground water. They bear thick cuticles and sunken stomata on the surface of their leaves to reduce transpiration.

(c) There are various behavioural adaptation in animals are migration ,hibernation and aestivation. Certain animals change their feeding and foraging time and pattern. some animals like lizard (ectotherms) bask in the sun to absorbs heat and moving to shade when the ambient temperature increases.