7 Science Test 7 Ch Word Scramble
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Term | Definition |
altitudinal | type of migration birds perform when they migrate fairly short distances by moving up and down a mountain |
altricial | type of chicks are featherless and helpless when they hatch |
alula | retractable group of feathers supported by a bird's "thumb" bone |
anting | when birds use ants to clean their plumage |
brood patch | area birds lose their feathers from for more effective heat transfer |
calcium carbonate | what the outer shell of an egg is made of |
contour | strong feathers found on a bird's body, wings, and tail |
crop | food storage sac in a bird's esophagus |
down | soft, fluffy feathers found close to a bird's body |
dusting | type of bathing that does not use water |
field marks | colors, patterns, and markings that are characteristic of a specific bird species |
flyways | migration routes followed year afteryear |
gaping | type of bill used to catch insects in flight |
germinal spot | region of an egg where the embryo develops |
gizzard | used to grind food and make it more easily absorbed |
gliding | type of flight allows birds to coast "downhill" |
hovering | remaining stationary in air |
humerus | wing bone to which the major flight muscles connect |
incubation | keeping eggs warm for proper chick development |
instinct | built-in knowledge birds are born with |
keel | ridge on the sternum |
keratin | substance feather and bills are made of |
megapodes | group of birds that does not provide any parental care for their young |
mobbing | event when smaller birds harass a larger bird |
monocular | vision that allows a bird's eye to see a different portion of the world |
pectoralis minor | used to raise the wings |
perching | bird feet with 3 forward toes & 1 hind toe |
peregrine falcon | fastest flying bird |
preen gland | produces oil that birds spread over their feathers |
primary flight | feathers extending from a bird's "hand" to the tip of its wing |
soaring | using thermals to gain altitude without expending energy |
syrinx | produces sound without vocal cords |
yolk | nutrient-rich fluid that feeds an unhatched chick |
Created by:
Mrs_CC
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