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1 | | There are approximately ________ species of birds known. |
| | A) | 1,000 |
| | B) | 2,000 |
| | C) | 4,000 |
| | D) | 9,000 |
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2 | | Which of the following is not a characteristic of all species of birds? |
| | A) | flight |
| | B) | ovipary |
| | C) | feathers |
| | D) | four-chambered heart |
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3 | | Why might you surmise that few birds eat leafy vegetative material? |
| | A) | They don't like the taste |
| | B) | It's not available in all habitats |
| | C) | It's too low in calories |
| | D) | They can't chew it, as they lack teeth |
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4 | | What birdlike characteristics doesArchaeopteryx possess? |
| | A) | teeth |
| | B) | a long tail |
| | C) | feathers |
| | D) | claws on their front appendages |
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5 | | The paleognathids include |
| | A) | all flightless birds. |
| | B) | all birds without a sternum. |
| | C) | all birds that can fly. |
| | D) | rather large flightless birds. |
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6 | | The neognathid birds include |
| | A) | all birds that can fly. |
| | B) | all large birds. |
| | C) | some birds that can swim. |
| | D) | only birds living on islands. |
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7 | | Flightless neognathid birds typically would be found |
| | A) | in the prairies of North America. |
| | B) | in the polar regions. |
| | C) | on islands. |
| | D) | in Africa. |
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8 | | The ________ of modern birds is/are relatively long when compared to reptiles. |
| | A) | neck |
| | B) | ribs |
| | C) | tail |
| | D) | caudal vertebrae |
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9 | | The gland that produces oil used to lubricate the feathers of birds is located |
| | A) | at the base of the neck. |
| | B) | at the base of the tail. |
| | C) | in the crop. |
| | D) | in the axilla. |
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10 | | The archosaur group that is most closely related to the ancestor of the birds includes the |
| | A) | saurichians. |
| | B) | theropods. |
| | C) | ornithishians. |
| | D) | pterosaurs. |
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11 | | The great adaptive radiation of modern birds occurred during the |
| | A) | Devonian. |
| | B) | Cenozoic. |
| | C) | Tertiary. |
| | D) | Permian. |
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12 | | Of the numerous aortic arches seen in primitive vertebrates, in birds, the aortic arch persists. |
| | A) | fourth |
| | B) | left |
| | C) | sixth |
| | D) | right |
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13 | | The structure responsible for sound production in birds is the |
| | A) | syrinx. |
| | B) | larynx. |
| | C) | trachea. |
| | D) | pharynx. |
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14 | | In birds, urinary wastes are |
| | A) | stored in the bladder. |
| | B) | not stored for any great length of time. |
| | C) | absorbed into the Malpighian tubules. |
| | D) | in the form of urea. |
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15 | | Birds that are active immediately after hatching are known as |
| | A) | altricial. |
| | B) | precocial. |
| | C) | cambered. |
| | D) | polygynous. |
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16 | | The vertebrae of birds that are most freely movable are the |
| | A) | cervicals. |
| | B) | thoracics. |
| | C) | lumbars. |
| | D) | sacrals. |
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17 | | The stomach of birds includes a structure particularly adapted for grinding food, the |
| | A) | jejunum. |
| | B) | ileum. |
| | C) | proventriculus. |
| | D) | gizzard. |
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18 | | Birds lack alveoli, but rather possess, ________ which are one of the sites of oxygen uptake in the lung of the bird. |
| | A) | lamellae |
| | B) | parabronchi |
| | C) | pneumocysts |
| | D) | tracheoles |
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19 | | The ________ is the part of a bird's eye that is the area of keenest vision, and some birds have two of them. |
| | A) | pecten |
| | B) | fovea |
| | C) | cochlea |
| | D) | tectum |
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20 | | Along with an ability to sense the earth's magnetic field, birds also find their way during migration by |
| | A) | olfactory cues. |
| | B) | auditory cues. |
| | C) | visual cues. |
| | D) | tactile cues. |
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21 | | Which of the following is the correct sequence of events in bird reproduction? |
| | A) | fertilization, addition of albumin, formation of shell |
| | B) | formation of shell, addition of albumin, fertilization |
| | C) | fertilization, formation of shell, addition of albumin |
| | D) | addition of albumin, fertilization, formation of shell |
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22 | | Most birds practice seasonal ________ due to the necessity of caring for the young. |
| | A) | polyandry |
| | B) | monogamy |
| | C) | polygyny |
| | D) | polygamy |
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23 | | Fossils of early birds date back to approximately 150 million years ago. |
| | A) | True |
| | B) | False |
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24 | | In contrast to reptiles, birds typically have four toes. |
| | A) | True |
| | B) | False |
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25 | | The feathers and leg scales of birds are epidermal in origin. |
| | A) | True |
| | B) | False |
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26 | | Birds have three bones in the middle ear. |
| | A) | True |
| | B) | False |
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27 | | Bird eggs are hard, as they are impregnated with calcium. |
| | A) | True |
| | B) | False |
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28 | | The portion of the bird feather that emerges from the skin follicle is known as the quill. |
| | A) | True |
| | B) | False |
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29 | | The most minute structure of a contour feather is the vane. |
| | A) | True |
| | B) | False |
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30 | | Specialized cells, called phagocytes, are carried in the circulatory system and are active in immunity and repair of wounds in birds. |
| | A) | True |
| | B) | False |
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31 | | Compared to mammals, the cerebral cortex of birds is relatively undeveloped. |
| | A) | True |
| | B) | False |
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32 | | The alula is a set of feathers on the first digit, which allows a slot on the wing. |
| | A) | True |
| | B) | False |
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33 | | North American birds often winter in Central and South America; many birds from Europe winter in Africa. |
| | A) | True |
| | B) | False |
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34 | | Members of family Anseriformes include ducks and swans. |
| | A) | True |
| | B) | False |
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35 | | The penguins are members of family Sphenisciformes; members of family Apodiformes include the hummingbirds. |
| | A) | True |
| | B) | False |
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36 | | Unlike reptiles, birds have one occipital condyle. |
| | A) | True |
| | B) | False |
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37 | | Penguins are considered to be paleognathid birds because they cannot fly. |
| | A) | True |
| | B) | False |
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38 | | Most birds molt feathers all at the same time. This makes them particularly vulnerable to predators at this time. |
| | A) | True |
| | B) | False |
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39 | | Bones of birds, which are filled with air cavities, are known as pneumatic bones. These bony cavities communicate with the respiratory system. |
| | A) | True |
| | B) | False |
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40 | | Birds possess paired metanephric kidneys, each with thousands of nephrons. |
| | A) | True |
| | B) | False |
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41 | | The corpus striatum is the primary center for coordination in the brain of a bird. |
| | A) | True |
| | B) | False |
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42 | | Birds that can run and feed themselves soon after hatching, and are covered with down are known as altricial birds. |
| | A) | True |
| | B) | False |
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