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Open Question: PLEASE HELP ME WITH THIS BIOLOGY ?

21 November 2008, 8:24 am

1: Bird's eggs come in all sizes, but do all size birds come from eggs? No -- not flightless birds No -- not nestless birds Yes -- even flightless birds No -- not the African Ostrich 2: Penguins don't fly. So how have they adapted their use of feathers? To glide and search for food For insulation and waterproofing As gifts in courtship For camouflage and protection 3: Hummingbirds don't actually hum, but they do make a humming sound. Why? To scare predators To attract a mate Because their wings beat 60-70 beats per second To establish a territory 4: Owls' eyes are 100 times more sensitive than ours to the dark. What other sense helps them to hunt? Strong sense of smell Echo location Ultra-violet light sensitivity Extraordinary hearing 5: The Amazonian rainforest is home to 18 species of Macaws. What distinguishing feature is unique to these birds? Bright and colorful plumage Crushing, powerful beaks Superior intelligence Long tail feathers 6: The robin is the state bird of Connecticut, michigan, and Wisconsin. The chickadee represents Maine and Massachusetts. What bird represents all of the United States combined? The Oriole The Golden Eagle The Bald Eagle The Peregrine Falcon 7: Birds serve many purposes in nature. Fruit-eating birds spread seeds by passing them in their droppings. How do hummingbirds benefit nature? By their beautiful bird-songs By adapting and recycling other birds' nests By eating harmful bugs By pollinating flowers as it feeds on nectar 8: Ten-week old eagles, left by their parents must fly, hunt, and search out territory on their own. How many will survive the first year? Only one out of ten will survive About half of the young will survive Almost three-quarters will survive Luckily, almost all will live 9: Owls are distinguished by the circle of feathers around their eyes. How does this adaptation help the owl? The patterns of feathers are like finger prints The feathers protect the ears It helps the owl hear better It makes the owls easily identifiable 10: Some early human attempts to fly copied birds' wing flapping action without success. What feature is copied today with more success? Aviation design incorporates convace wing shape Automotive design incorporates wings on automobiles Kites are designed to bend like feathers do Folding chairs fold up like wings... Read More »

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