7 Sci Test 7 Ch 8
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| altitudinal | type of migration birds perform when they migrate fairly short distances by moving up and down a mountain
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| altricial | type of chicks are featherless and helpless when they hatch
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| alula | retractable group of feathers supported by a bird's "thumb" bone
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| anting | when birds use ants to clean their plumage
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| brood patch | area birds lose their feathers from for more effective heat transfer
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| calcium carbonate | what the outer shell of an egg is made of
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| contour | strong feathers found on a bird's body, wings, and tail
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| crop | food storage sac in a bird's esophagus
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| down | soft, fluffy feathers found close to a bird's body
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| dusting | type of bathing that does not use water
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| field marks | colors, patterns, and markings that are characteristic of a specific bird species
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| flyways | migration routes followed year afteryear
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| gaping | type of bill used to catch insects in flight
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| germinal spot | region of an egg where the embryo develops
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| gizzard | used to grind food and make it more easily absorbed
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| gliding | type of flight allows birds to coast "downhill"
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| hovering | remaining stationary in air
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| humerus | wing bone to which the major flight muscles connect
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| incubation | keeping eggs warm for proper chick development
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| instinct | built-in knowledge birds are born with
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| keel | ridge on the sternum
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| keratin | substance feather and bills are made of
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| megapodes | group of birds that does not provide any parental care for their young
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| mobbing | event when smaller birds harass a larger bird
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| monocular | vision that allows a bird's eye to see a different portion of the world
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| pectoralis minor | used to raise the wings
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| perching | bird feet with 3 forward toes & 1 hind toe
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| peregrine falcon | fastest flying bird
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| preen gland | produces oil that birds spread over their feathers
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| primary flight | feathers extending from a bird's "hand" to the tip of its wing
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| soaring | using thermals to gain altitude without expending energy
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| syrinx | produces sound without vocal cords
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| yolk | nutrient-rich fluid that feeds an unhatched chick
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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