Jeff Scudder
Review Sheet
Science

cartilage - A soft flexible alternative to bone
spawning - Having to do with reproduction in fish
hibernation - When an animal sleeps for the winter
estivation - similar to hibernation
torpor - Where an animals body slows down
metamorphosis - an animal that undergoes a change in apperance and form.
external fertilization - where fish lay eggs and sperm is spread over them in the water
internal fertilization - where egg fertilization occurs within the body
coelacanth - a prehistoric fish
archaeopteryx - a complete bird
ectothermic - heat obtained from an animal's environment
endothermic - generated own heat
lobe finned fishes - fish with a special fin that helps them to swim
dinosaurs - prehistoric large reptiles
herbivores - eat only plants
carnivores - eat only meat
mammary glands - 
monotremes - the first group of mammals
marsupials - the second group of mammals
amniotic egg - an egg that can be laid on land without water
swim bladder - a pouch that helps a fish float or sink
operculum - part of the brain
therapsid - an herbivore
bracksfish - a prehistoric fish