vertebrates Flashcards
vertebrate
an animal with a backbone
Endotherm
an animal that can use body heat from chemical reactions in the body’s cells to maintain a constant body tempature
Ectotherm
an organism that needs sources of heat outside of itself
Lateral Line
a faint line visible on both sides of a fish body that rus the length of the body and marks the location of sense of organs that detect vibrations
Gill
a respiratory organ in which oxygen from the water is exchanged with carbon dioxide from the blood
Jawless fishes (examples)
Hagfish, lampreys
Cartilaginous fishes (examples)
stingray, hammerhead sharks
Bony fishes (examples)
goldfish,tuna,trout
Swim bladder
a gas-filled sac that is used to control buoyancy also known as a gas badder
Lung
respiratory oxygen in which oxygen from the air is exchanged with carbon dioxide from the blood
Tadpole
the aquatic, fish-shaped larva of a frog or toad
Metamorphosis
a phase in the life cycle of many animals during which a 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. They mostly live hidden in the ground and in stream substrates, making them the least familiar order of amphibians. Caecilians are mostly distributed in the tropics of South and Central America, Africa, and southern Asia.
Salamanders
Salamanders are a group of amphibians typically characterized by their lizard-like appearance, with slender bodies, blunt snouts, short limbs projecting at right angles to the body, and the presence of a tail in both larvae and adults. All ten extant salamander families are grouped together under the order Urodela
Frogs
A frog is any member of a diverse and largely carnivorous group of short-bodied, tailless amphibians composing the order Anura