Flexible, tough material that makes up vertebrate skeletons or parts of vertebrate skeletons.

Group of cells that develops from the embryo's ectoderm and contributes to the development of many vertebrate structures.

Paddle-shaped structure of a fish or other aquatic animal used for steering, balance, and propulsion.

Small, flat, plate like structure near the surface of the skin of most fishes; can be ctenoid, cycloid, placoid, or ganoid.

movable, protective flap that covers a fish's gills and helps to pump water that enters the mouth and moves over the gills.

heart chamber that receives blood from the body.

the heart chamber that pumps blood from the heart to the gills

sensory receptors that enable fishes to detect vibrations, or sound waves, in water

process by which male and female fishes release their gametes near each other in the water

gas-filled internal space in bony fishes that allows them to regulate their buoyancy

four-footed animal with legs that have feet and toes with joints.

in amphibians, the chamber that receives digestive waste, urinary waste, and eggs or sperm before they leave the body.

in amphibians, the transparent eyelid that moves across the eye to prevent it from drying out on land and to protect it under water

animal that cannot regulate its body temperature through its metabolism and obtains its body heat from the external environment

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CS Chapter 28 Vocab

Chapter 28 Vocab

Term	Definition
Cartilage	Flexible, tough material that makes up vertebrate skeletons or parts of vertebrate skeletons.
Neural Crest	Group of cells that develops from the embryo's ectoderm and contributes to the development of many vertebrate structures.
Fin	Paddle-shaped structure of a fish or other aquatic animal used for steering, balance, and propulsion.
Scale	Small, flat, plate like structure near the surface of the skin of most fishes; can be ctenoid, cycloid, placoid, or ganoid.
Operculum	movable, protective flap that covers a fish's gills and helps to pump water that enters the mouth and moves over the gills.
Atrium	heart chamber that receives blood from the body.
Ventricle	the heart chamber that pumps blood from the heart to the gills
Nephron	filtering unit of the kidney
Lateral Line System	sensory receptors that enable fishes to detect vibrations, or sound waves, in water
Spawning	process by which male and female fishes release their gametes near each other in the water
Swim Bladder	gas-filled internal space in bony fishes that allows them to regulate their buoyancy
Tetrapod	four-footed animal with legs that have feet and toes with joints.
Cloaca	in amphibians, the chamber that receives digestive waste, urinary waste, and eggs or sperm before they leave the body.
Nictitating Membrane	in amphibians, the transparent eyelid that moves across the eye to prevent it from drying out on land and to protect it under water
Tympanic Membrane	eardrum
Ectotherm	animal that cannot regulate its body temperature through its metabolism and obtains its body heat from the external environment

Created by: christopher shaddock

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