Birds and Mammals Test
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| A. The organ that produces bird song.
B. Birds have feathers, hollow bones and a furcula.C. A scientist who studies birds.D. horses, zebras, tapirsE. Precocial young can fend for themselves as soon as they hatch but altricial young are naked and helpless.F. The seasonal movement of birds from one habitat to another. They do it so they don't have to hibernate.G. 3. H. shrews, hedgehogs, molesI. Contour feathers provide coloration and streamlined shape. downy feathers provide insulation. flight feathers assist in flight.J. whales, dolphins, K. Mammary glands, hair, endothermy, 4 chambered heart, single jawbone, specialized teeth.L. echolocation is the use of waves to determine the size and distance of prey. bats and dolphins use it.M. Marsupials are mammals that give birth to underdeveloped young and then keep nourishing them in a pouch. kangaroos, koalas, opossums.N. Raptors hunt in the day and have less spread out feathers and owls hunt an night and have spread out feathers.O. oviparous mammals lay amniotic eggs, ovoviviparous animals have an egg in the mother and either lay it and the young hatches shortly or the egg hatches in her. viviparous animals develop a fetus inside the mother without an egg. P. It is beneath the rib cage and draws air into the lungs.Q. Early reptiles, an early creature that had both bird and reptile characteristics.R. aquatic carnivoresS. When birds rub their beaks on their feathers and coat them in oil. to waterproof themselves.T. incisors are for cutting, canines are for ripping, premolars are for shredding, molars are for crushing. |
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