Endotherms

What mechanism is important for maintaining body temp more or less constant?

Physiological

Define homeostatis

Maintenance of a constant internal environment

Define endotherm

Use heat produced internally to maintain body temp

What kinds of environments are they found in?

An extremely wide range of environments

What do they need to supply their metabolic needs?

More food

What happens with their body temp?

More or less constant and largely independent of that of the environment

What are endotherms?

Mammals and birds

How do endotherms use behaviour to control body temp?

Dormancy during periods of high or low temp, use of burrows, migration, huddling

What do endotherms usually use to control body temp?

Physiological responses