Reptile - any vertebrate that has dry scaly skin, lungs and terrestrial eggs with several protective membranes.
Feathers - structure made mostly of protein that develops from a pit in a bird's skin
Endotherms - animal that generates its own bod heat and controls its body temperature from within
Gizzard - in earthworms, part of the digestive system in which food is ground into smaller pieces, in birds, a muscular organ that helps in the mechanical breakdown of food
Ectotherms - animal that relies on interactions with the environment to help it control body temperature
No comments:
Post a Comment