| A | B |
| ectothermic | cold blooded |
| endothermic | warm blooded |
| meaning of "amphibian" | cold blooded vertebrae whose permeable skin, strong skeleton, and hibernation or estivation abilities adapt it to life in water and on land. |
| hibernation | to sleep when cold |
| estivation | to sleep when warm |
| biological indicator | animals that decrease in #'s because of higher air and water pollution |
| scavenger | animal that eats dead animals or decaying things |
| Parasite | anything that obtains food from a host organism and at the same tine harms the host organism. |
| birds' adaptations for flight | light bones, feathers, high energy, wings |
| preening | bird licks feathers and put oil on them so water doesn't seep in. |
| molting | in animals the periodic shedding, and replacingof the old body covering, such as skin or an exoskeleton |
| swim bladder | the organ that fishes use to move upward and donward in the water |
| operculum | a covering for the gills |
| lateral line | a nerve running down the side of the fishes body |
| down feathers | feathers that keep the birds warm |
| contour feathers | feathers that keep out water and help birds to fly |
| ichthyologist | fish scientist |
| ornithologist | bird scientist |
| Archaeopteryx | mix of bird and reptile |
| herbivore | animal that eats only plants |
| carnivore | only eats meat |
| omnivore | leats both plants and meat |
| placental mammals | mammal that gives live birth |
| marsupials | gives live immature birth and has a pouch to keep babies in |
| monotremes | lay eggs for birth |
| mammary glands | glands that make milk |
| lungfish | a fish that has both lungs and gills |
| lobe-finned fish | have fleshy fins like stubby arms |
| ray-finned fish | modern day bony-fish. fins are like skin stretched over bony spines |
| spawn | eggs |
| milt | liquid htat has spawn in it |
| ratites | any bird that has a flat breastbone and can't fly |
| diaphragm | sheet of muscle that helps you breathe |
| metamorphosis | change of form in development |