endotherm
Definitions
An animal that generates and regulates its own body heat internally; a warm-blooded animal
内温动物，恒温（温血）动物——体内自行产热并调温的动物
Root Breakdown
Root-derivedendo- (inside) + therm (heat) = an animal that makes heat inside its own body — mammals and birds, the "warm-blooded." Its opposite is an ectotherm (ecto- outside), which relies on external heat like the sun.
Root therm still carries 3 more wordsExample Sentences
- 1.
As an endotherm, a mouse must eat constantly to fuel its body heat.
- 2.
Birds and mammals are endotherms, while reptiles are not.
- 3.
Being an endotherm lets an animal stay active in cold weather.
Easily Confused
endotherm vs ectotherm — Both describe how an animal gets heat. An endotherm (endo- inside) makes its own heat (mammals, birds). An ectotherm (ecto- outside) absorbs heat from the environment (reptiles, fish). "Warm-blooded" ≈ endotherm; "cold-blooded" ≈ ectotherm.