Biology Module 11 Flashcards
(11 cards)
Scales
Keratin structures produced by the epidermis that overlap and lie on the surface of the skin.
Scutes
Bone-like structures produced by the dermis that do not overlap and lie on the surface of the skin.
Chorion
The outer membrane of an egg that is involved in gas exchange with the environment.
Allantois
The membrane of an egg that stores wastes from the embryo and facilitates respiration.
Amnion
The inner membrane of an egg that contains fluid to provide protection from mechanical shock, abrasion, and dehydration of the embryo.
venom
A toxin or poison that is produced to be injected into prey or an enemy by a bite or sting.
Incubation
The process of keeping eggs warm.
Plumage
All the feathers of a bird, including their types, coloration, and arrangement.
Diphyodonty
The condition in which a set of primary teeth is later replaced by a secondary set.
Placenta
A structure inside the mother that provides developing young with oxygen and nutrients and removes carbon dioxide and waste.