Lesson 25 Terms Flashcards
Amniotes
member of a clade of tetrapods that have an amniotic egg containing specialized membranes that protect the embryo; mammals, birds, reptiles
Anura
meaning “tailless ones,” including frogs and toads
Apoda
meaning “legless ones”
Carapace
upper shell composed of bony plates
Class Amphibia
amphibians - 3 orders: Anura, Urodela, and Apoda
Cloacal opening
the opening through which undigested waste, urine, egg, and sperm cells pass out of the amphibian’s body
Crocodilia
includes crocodiles, caimans, alligators, and gharial; semi-aquatic
Cutaneous respiration
breathing through thin, smooth, permeable skin
Epidermal scales
arise from the skin, but are not living tissue.
Hibernation
a state where metabolism, heart rate, and respiration slow down until the weather warms
Oviparous
eggs are hatched after they’ve been laid by the parent
Ovoviviparous
eggs are hatched inside the parent
Parthenogenesis
a) eggs develop into embryos without fertilization
b) entire species is female, no males are present
Plasteron
lower shell
Sphenodontia
- One living species in this order: the tuatara
- Lives over 100 years
- Nocturnal
- Does not have external ears
- Third eye located on the top of the head, used for sensing light