Question

what special characteristics can be observed in animals living in very dry and cold environment ?​

Answer 1

Answer:

Cold environment: Animals have many adaptations to survive in this harsh environment; Animals need shelter and insulation in the Tundra. The animals here tend to have thicker and warmer feathers and fur. Many of them have larger bodies and shorter arms, legs and tails which helps them retain their heat better and prevent heat loss.

Explanation:

Dry environment:Animals survive in deserts by living underground or resting in burrows during the heat of the day. Some creatures get the moisture they need from their food, so they don't need to drink much water, if any. Others live along the edges of deserts, where there are more plants and shelter.

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Answer 2

Answer:

Characteristics observed in animals living in very dry environment:-

• The animals in dry or desert have large, flat feet to lay out their weight on the sand.
• They have thick fur on the top of the body for shade from the sunlight and thin fur rest of the body to allow easy heat loss. They have a large surface area to volume ratio  to maximize heat loss.
• Animals live in dry areas have ability to go for a long time without water. They lose very small amount of water through urination and sweat.
• Such animals have ability to tolerate body temperatures up to $42^oC$.

Characteristics observed in animals living in cold environment :-

• In colder climates, animals need features that help them carry their body heat.

• The animals either have hair all over their body or shorter ears so that body heat will be conserved.

• Animals live in colder areas have to protect their bodies against extremely cold conditions so that they have thick fur on their body. Thich white fur provides an additional layer to their skin.
• The air gets trapped in layer of fur and cannot pass through it. It  keeps their body insulated against the excessive cold environmental conditions.

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