Cold-Blooded Vertebrates Flashcards
Vertebrates
Animals that have backbones.
Endotherms
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 of itself.
Lateral Line
A faint line visible on both sides of a fish’s body that runs the length of the length of the body that marks the location sense organs that detect vibrations in water.
Gills
A respiratory organ in which oxygen from the water is exchanged with carbon dioxide from the blood.
Jawless Fish
Hagfish and lampreys.
Cartilaginous Fish
Skates, stingray, and hammerhead sharks.
Bony fishes
Lungfishes, masked butterfly fish, and pikes.
Swim Bladder
A gas-filled sac that is used to control; also known as a gas bladder.
Amphibians
Salemanders and frogs.
Lungs
A respitory organ in which from the air is exchanged with carbon dioxide from the blood.
Tadpoles
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 of an organism to the adult form takes place.
caecillans
Looks like a worm but has a backbone.
Salamnders
They have long a long tail, and they have four strong legs. They are from about a few cm long to 1.5 m long.
Frogs
Leg muscles for jumping, well-adapted ears for hearing, long sticky tongue and their body is slimy.
Toads
Their skin is dry and bumpy, they have strong leg muscles, well-developed ears for hearing, long sticky tongue, and vocal cords for calling.
Reptiles
They are animals that don’t need to go into water and they have bumpy thick skin.
Amniotic Eggs
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.
Tortoises
They are very slow and have a shell to protect them.
Turtles
Have a streamlined shell that helps the turtles swim and turn rapidly..
Crocodiles
Has a narrow head and a pointed snout.
Alligators
Has a broad head and a rounded snout.
Snakes
They are carnivores and have special organs in the mouth that help them smell prey.
Lizards
Loosely connected lower jaws and eye-catching abilities and they do not swallow large prey whole.
Tuataras
They look like lizards and are active when the temperature is low.
