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Chapter 33: Q.32 (page 946)

Describe one key environmental constraint for ectotherms and one for endotherms. Why are they limited by different factors?

Short Answer

Expert verified

Endotherms: constrained by the availability of food sources in the environment

Ectotherms : The temperature range in a geographic area limits ectotherms.

Step by step solution

01

Step1. Introduction  

Ectotherm animal incapable of maintaining a relatively constant internal body temperature.

Endotherm animal capable of maintaining a relatively constant internal body temperature.

02

Explanation 

Endotherms: constrained by the availability of food sources in the environment.

The temperature range in a geographic area limits ectotherms.

The difference in how the two groups maintain their body temperature determines the key constraint for each group.

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