| Question 1: Physiologists generally measure energy use by the amount of oxygen consumed, or the amount of ________ produced, in an animal's respiration. | |||
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| Question 2: One common habitat for such climbing animals is in trees, for example the gibbon is specialized for ________ movement , traveling rapidly by brachiation. | |||
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| Question 3: Water striders have legs that are ________, preventing them from interfering with the structure of water. | |||
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| Question 4: ________ (EMG) is a method of detecting the electrical activity that occurs when muscles are activated, thus determining which muscles are used when in a given movement. | |||
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| Question 5: Locomotion requires ________ to overcome friction, drag, inertia, and gravity, though in many circumstances some of these factors are negligible. | |||
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| Question 6: Movement of the body may be from side to side, as in sharks and many ________, or up and down, as in marine mammals. | |||
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| Question 7: Human ________ learn to crawl first before they are able to stand on two feet, which requires good coordination as well as physical development. | |||
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| Question 8: Drag may also present a problem in flight, and the ________ efficient body shapes of birds highlight this point. | |||
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| Question 9: Another case is animals like the snow leopard living on steep rock faces such as are found in ________. | |||
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| Question 10: When ________, only one foot is on the ground at any one time at most, and both leave the ground briefly. | |||
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