Life in Cold Blood Flashcards
(24 cards)
Vertebrates
An animal that has a backbone
Endotherm
an animal that can use body heat from chemical reactions in the body’s cells to maintain a constant body temperature.
Ectotherm
an organism that needs sources of heat outside itself
Lateral Line
a faint line visible on both sides of a fishes body that runs the length of the body and marks the location of sense organs that detects vibrations in water.
Gill
a respiratory organ in which oxygen from the water is exchanged with carbon dioxide from the blood.
Jawless fishes
Hag fish and Lampreys.
Cartilaginous fishes
Skates, stingrays, and hammerhead.
Bony fishes
lungfishes, masked butterfly fish, and pikes.
Swim bladder
a gas-filled sac that is used to control buoyancy; also known as a gas bladder.
Lung
a respiratory organ in which oxygen from the air is exchanged with carbon dioxide from the blood.
Tadpole
.an aquatic fish shaped larva of a frog or tad
Metamorphosis
.a phase in the life cycle of many animals during which rapid change from the immature form of an organism to the adult form takes place
Caecilians
Caecilians are a group of limbless, vermiform or serpentine amphibians.
Salamanders
Salamanders are a group of amphibians typically characterized by their lizard-like appearance.
Frogs
.A frog is any member of a diverse and largely carnivorous group of short-bodied, tailless amphibians composing the order Aura.
Toads
.Toad is a common name for certain frogs, especially of the family, that are characterized by dry, leathery skin, short legs, and large bumps covering the parotoid glands.
Amniotic egg
.a type of egg that is surrounded by a membrane and the amnion and that in reptiles birds and egg laying mammals.
Turtles
.Turtles are an order of reptiles known as Testudines, characterized by a shell developed mainly from their ribs.
Tortoises
.Tortoises are reptiles of the family Testudinidae of the order Testudines.
Crocodiles
.Crocodiles or true crocodiles are large semi-aquatic reptiles that live throughout the tropics in Africa, Asia, the Americas and Australia.
Alligators
.An alligator is a crocodile in the genus Alligator of the family Alligator.
Snakes
.Snakes are elongated, limbless, carnivorous reptiles of the suborder Serpentes.
Lizards
Lizards are a widespread group of squamate reptiles
Tuataras
Although resembling most lizards, they are part of a distinct lineage, the order Rhynchocephalia.
