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science ch. 13

TermDefinition
bone hard tissue consisting of the protein collagen and minerals such as calcium that generally makes up most of the vertebrate endoskeleton
cartilage tough, flexible tissue containing the protein collagen that makes up some or all of the endoskeleton of a vertebrate
ectothermy controlling body temperature to a limited extent from outside the body by changing behavior
endothermy controlling body temperature within a narrow range from inside the body through biological means
ovipary development of an embryo within an egg outside the mother’s body
vertebra (vertebrae, plural) one of the repeating units of bone that make up the vertebral column (backbone) of a vertebrate
vivipary development and nourishment of an embryo within the mother’s body and not inside an egg
fin projection from the body of a fish that helps it swim by acting as a paddle or rudder
fish aquatic, ectothermic vertebrate that is covered with scales and has gills to absorb oxygen from water
gill organ in fish and some other aquatic organisms that absorbs oxygen from water
spawning gathering of adult fish in the same place at the same time to release gametes into the water for reproduction
swim bladder balloon-like organ in many fish that can be inflated or deflated so the fish can rise or sink in the water
amphibian ectothermic vertebrate with smooth, moist skin that lives on land as an adult but lays eggs and spends the larval stage in water
cloaca body cavity in most vertebrates that has an external opening to pass wastes and gametes or fertilized eggs out of the body
keratin tough protein in the skin, scales, feather, fur, or hair of vertebrates
tadpole aquatic, legless larval stage of a frog
carnivore heterotroph that eats only or mainly animals
crocodilian reptile in the Crocodilia Order, such as a crocodile or an alligator
diaphragm large, flat muscle that lies below the lungs in reptiles and mammals and helps move air into and out of the lungs
herbivore heterotroph that eats only or mainly plants
omnivore heterotroph that eats a variety of foods, including both plants and animals
reptile four-limbed, ectothermic vertebrate that produces amniotic eggs and has scaly skin
ovovivipary development of an embryo within an egg inside the mother’s body but without the embryo receiving any nourishment from the mother
Created by: tmanfred