âº a gradual process of change and development. âº biology Evolution is the process by which the physical characteristics of types of creatures change over time, new types of creatures develop, and others disappear. (Definition of âevolutionâ from the Cambridge Academic Content Dictionary Â© Cambridge University Press)
You can remember the difference between endotherms and ectotherms if you remember that endo- means inside endo- = inside and ecto- means outside ecto- = outside, so endotherms generate their own heat from within, and ectotherms get their heat from the outside.
Different animals function best at different body temperatures. Active, warm-blooded animals tend to have higher ideal body temperatures than slow, cold-blooded types. The ideal body temperature varies between animal types, with warm-blooded and coldblooded animals at either end of a gradual scale.ifferent animals function best at different body temperatures. Active, warm-blooded animals tend to have higher ideal body temperatures than slow, cold-blooded types. The ideal body temperature varies between animal types, with warm-blooded and coldblooded animals at either end of a gradual scale.