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Are Osteichthyes endothermic or ectothermic?

Question:

Are Osteichthyes endothermic or ectothermic?

A Class of Fish:

Osteichthyes is a class of fish that include all bony fish, or those with skeletons made out of bone. Osteichthyes are found in a wide variety of different habitats including oceans, rivers and lakes. This group includes fish such as trout, salmon, halibut and bass.

Answer and Explanation:

Osteichthyes, or bony fish, are ectothermic, meaning they are cold-blooded. This means that they can't generate any heat inside their own bodies, and...

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Learn more about this topic:

Class Osteichthyes: Characteristics & Examples

from AP Environmental Science: Tutoring Solution

Chapter 22 / Lesson 7
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