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In the environment, the temperature chan...

In the environment, the temperature change affects most of the animals which are

A

Poikilothermal

B

Homoiothermic

C

Aquatic

D

Desert living

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### Step-by-Step Solution: 1. **Understanding Temperature Change**: The question asks about the effect of temperature changes in the environment on animals. It's important to recognize that different animals respond differently to temperature changes. 2. **Identifying Types of Animals**: Animals can be broadly classified into two categories based on their ability to regulate body temperature: - **Poikilotherms**: These are animals that cannot regulate their body temperature according to the environmental temperature. Their body temperature fluctuates with the temperature of their surroundings. - **Homeotherms**: These animals can maintain a constant body temperature regardless of the environmental temperature. They have mechanisms to regulate their body temperature. 3. **Effects on Poikilotherms**: Since poikilotherms cannot regulate their body temperature, they are significantly affected by changes in environmental temperature. Examples of poikilothermic animals include: - Fishes - Amphibians - Reptiles 4. **Effects on Homeotherms**: Homeothermic animals, such as birds and mammals, have adaptations that allow them to maintain their body temperature despite environmental changes. Therefore, they are less affected by temperature fluctuations compared to poikilotherms. 5. **Conclusion**: In summary, the animals that are most affected by temperature changes in the environment are poikilotherms, which include fishes, amphibians, and reptiles.
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