Cold-Blooded Vertebrates Flashcards
(26 cards)
Vertebrates
Animals that do have backbones.
Endotherms
An animal that can use body heat from chemical reactions in the body.
Ectotherms
An organism that needs to use out of body sources for heat.
Lateral Line
The faint lines on the sides of a fish that marks the locations of its sense organs.
Gills
An organ in which oxygen from water and CO2 fro blood exchange.
Jawless fish
Fish with no jaw, such as the Hagfish and Lampreys.
Cartilaginous fish
Fish whose skeleton is made of cartilage, such as Stingrays, Hammerhead Sharks, and Skates.
Bony fish
Fish with bone skeletons and bony scales, such as Lungfishes, Masked butterfly fish, and Pikes.
Swim bladder
A gas filled sac used to control buoyancy.
Amphibians
Animals that can live in water but have lungs and legs.
Lungs
An organ used to breathe.
Tadpole
The fish-shaped larva of a frog or toad.
Metamorphosis
The life cycle of many animals.
Caecilians
Amphibians that look like earthworms or snakes.
Salamanders
Most prehistoric form of amphibians.
Frogs
The most common type of Amphibian.
Toads
A type of frog.
Reptiles
Stronger, more evolved amphibians that lay eggs that can survive on land.
Amniotic Eggs
An egg that holds fluid to protect the embryo.
Turtles
Small animal eating reptiles that live most of their lives in the water.
Tortoises
Plant eating reptiles that spend most of their lives on land.
Crocodiles
Meat eating reptiles that have a narrow head and pointed snout.
Alligators
Meat eating reptiles that have broad heads and round snouts.
Snakes
Carnivorous reptiles that suffocate or inject venom to kill their prey.
