Jackson-SC-Ch16&17 Word Scramble
|
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Term | Definition |
vertebrate | an animal that has a backbone |
endotherm | 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 body and marks the location of sense organs that detect vibrations in water |
gill | a respiratory organ in which oxygen from the water is exchanged with carbon dioxide from the blood |
swim bladder | in bony fishes, a gas-filled sac that is used to control buoyancy; also known as a gas bladder |
lung | a respiratory organ in which oxygen from the air is exchanged with carbon dioxide from the blood |
tadpole | the aquatic, fish-shaped larva of a frog or toad |
amniotic egg | 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 |
preening | in birds, the act of grooming and maintaining their feathers |
molting | the shedding of an exoskeleton, skin, feathers, or hair to be replaced by new parts |
down feather | a soft feather that covers the body of young birds and provides insulation to adult birds |
contour feather | one of the most external feathers that cover a bird and that help determine its shape |
brooding | to sit on and cover eggs to keep them warm until they hatch; to incubate |
mammary gland | in a female mammal, a gland that secretes milk |
diaphragm | a dome-shaped muscle that is attached to the lower ribs and that functions as the main muscle in respiration |
placental mammal | a mammal that nourishes its unborn offspring through a placenta inside its uterus |
gestation period | in mammals, the length of time between fertilization and birth |
monotreme | a mammal that lays eggs |
marsupial | a mammal that carries and nourishes its young in a pouch |
Created by:
tlindstrom
Popular Biology sets