Provide two (2) advantages and two (2) disadvantages of endothermy.
Endothermic species are also known as warm-blooded animals. These species originated around 252 million years ago. The number of mitochondria within endotherms is higher than the number of mitochondria within ectotherms, because mitochondria help endotherms in the process of heat generation.
Ectotherms is a term used to refer to those organisms that adjust the temperature of their body based on external environmental factors. They usually reside in places that have a consistent temperature.
Answer and Explanation: 1
Endothermy refers to the technique of generating heat (which enhances the metabolic rate and the temperature of the body) through means other than shivering.
Two advantages of endothermy are that:
- It allows the species to sustain themselves in cold habitats by changing the temperature of their bodies.
- It provides greater stamina to the animals. Because endotherms have a rapid metabolism rate, they can quickly refill energy within their muscles.
Two disadvantages of endothermy are that:
- Endotherms need plenty of energy to maintain a steady temperature despite environmental conditions.
- Endotherms need more food to meet their metabolic requirements.
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fromChapter 24 / Lesson 11
This lesson will cover the difference between endotherms vs ectotherms. It will show examples of ectothermic and endothermic animals and will discuss the techniques of thermoregulation these animals use.