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26 Cards in this Set
- Front
- Back
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What 2 characteristics describe birds compared to other warm-blooded animals?
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wings & feathers |
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What parts of the world are birds found? |
everywhere |
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What do birds not have to help them eat? |
teeth |
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Can all birds fly? |
No |
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How can birds' bones be lightweight? |
air spaces |
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How can birds' bones be strong? |
criss-crossed |
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Large amounts of what 2 things are required for flight?
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oxygen & energy |
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Where do birds store extra food? |
crop |
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Where do birds store extra oxygen? |
air-sac |
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What 2 things must bird parents do to make sure their eggs develop normally? |
turn-sit |
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From what do feathers grow on a bird's skin? |
papillae
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How does a bird preen itself? |
uses beak to oil feathers |
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Why does a bird preen itself? |
repairs the feathers |
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Name a describe 2 types of feathers |
down and contour feathers |
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short & fluffy and next to a bird's skin
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down feathers
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longer and cover the birds and help insulate it
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contour feathers |
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What 2 characteristics describe mammals compared to other warm-blooded animals? |
hair and milk |
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Do all mammals have fur? |
No |
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Where is milk produced in the mother mammal? |
mammary gland |
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Name the 3 types of mammals? |
marsupial, monotreme, placental mammal
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Name the 2 kinds of monotremes. |
platypus and echindna
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What are monotremes? |
mammals that lay eggs
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What are marsupials? |
mammals that raise their young in a pouch |
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Are marsupials born in their mother's pouch? |
No
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How are mammals connected to the placenta inside the mother mammal? |
umbilical cord |
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How does a platypus depend itself? |
poisonous spurs on it's hind legs |
