Vertebrates Flashcards
(26 cards)
An animal that has a backbone
Vertebrate
An animal that can use body heat from chemical reactions in the body’s cells to maintain a constant body temperature
Endotherms
An organism that needs sources of heat outside of itself
Ectotherms
A faint line visible on both sides of a fish’s body that runs the length of the body and marks the location of sense organs that detect vibrations in water
Lateral Line
A respiratory organ in which oxygen from the water is exchanged with carbon dioxide from the blood
Gills
Hagfish, and Lampreys
Jawless Fishes
Shark, and Skates
Cartilaginous Fishes
Goldfish, and Tuna
Bony Fishes
In bony fishes, a gas-filled sac that is used to control buoyancy. also known as a gas bladder.
Swim Bladder
Animals that can live in water and have lungs and legs
Amphibians
A respiratory organ in which oxygen from the air is exchanged with carbon dioxide from the blood
Lung
The aquatic, fish-shaped larva of a frog or toad.
Tadpole
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
Metamorphosis
They do not have legs and they live in damp soil in the tropics and eat small invertebrates in the soil
Caecillans
They live in damp places such as under rocks or logs or among leaves
Salamanders
They have smooth moist skin
Frogs
They spend less time in water and they skin is dry.
Toads
Some can swim and fly.
Reptiles
A type of egg that is surrounded by a membrane, the amnion, and that in reptiles, birds, and egg-laying mammals contains a large amount of yolk and is surrounded by a shell
Amniotic Eggs
They have a streamlined shell
Turtles
They live on land and have a shell
Tortoises
They have a narrow head and pointed snout
Crocidiles
They have a broad head and a rounded snout
Aligators
They are carnivores
Snakes
