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How much percentage of animals on this e...

How much percentage of animals on this earth are regulations ?

A

0.02

B

0.03

C

0.04

D

0.01

Text Solution

AI Generated Solution

The correct Answer is:
To determine the percentage of animals on Earth that are regulators, we can follow these steps: ### Step-by-Step Solution: 1. **Understand the Definitions**: - **Regulators**: These are organisms that maintain homeostasis, meaning they can keep a constant internal environment regardless of external conditions. Examples include mammals and birds. - **Conformers**: These organisms do not maintain a constant internal environment; their internal conditions change with the external environment. Most animals and plants fall into this category. 2. **Identify the Proportion of Regulators**: - According to the information provided, it is stated that 99% of animals and plants are conformers. This implies that only a small percentage of organisms are regulators. 3. **Calculate the Percentage of Regulators**: - If 99% are conformers, then the remaining percentage that are regulators can be calculated as: \[ 100\% - 99\% = 1\% \] - This means that 1% of animals are regulators. 4. **Convert to Decimal Form**: - To express this percentage in decimal form, we convert 1%: \[ 1\% = \frac{1}{100} = 0.01 \] 5. **Select the Correct Option**: - From the options provided (A: 0.02, B: 0.03, C: 0.04, D: 0.01), the correct answer is: - **Option D: 0.01**. ### Final Answer: The percentage of animals on Earth that are regulators is **0.01%**. ---
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