Cold blood Flashcards
Vertebrates
an animal that has a backbone.
Endotherms
use body heat to maintain constant temperature.
Ectotherms
an organism that needs sources of heat outside of itself.
Lateral line
faint line runs length of fish’s body detects water vibration.
Gills
a respiratory organ in which oxygen from the water is exchanged with carbon dioxide from the blood.
Jawless Fishes
lampreys and hagfish.
Cartilaginous Fishes
sharks, rays, and skates.
Bony Fishes
Ocean sunfish, catfish, Northern pike.
Swim Bladder
gas filled sac controls buoyancy.
Amphibians
cold blooded vertebrates.
Lungs
a respiratory organ in which oxygen from the air is exchanged with carbon dioxide from the blood.
Tadpole
the aquatic fish-shaped larva of frog or toad.
Metamorphosis
a phase in the life cycle of many animals during which a rapid change from the immature form of organism to the adult form takes place.
Caecilians
pronounced seh-SILL-yens are tropical amphibians that look like large worms or slick snakes.
Salamanders
encompass approximately 500 species of amphibians. They typically have slender bodies, short legs, and long tails.