Biol152 In-class Quiz #1 Key!!Each of the 9 questions has one best answer.!!1) From the list below, what advantage(s) does an endothermic animal have over an endothermic animal?!i) enzymes at optimal temperature at all times!ii) greater proportion of energy goes to reproduction!iii) must obtain large quantities of energy-rich food.!iv) can remain active in winter!v) can sustain very high levels of aerobic activities like running and flying!vi) more vulnerable to predation in cold weather!vii) able to thrive with much lower food intake!viii) muscular activity and digestion slow down as body temperature drops!!a) i, iii, and iv!b) i, viii, and v!c) i, iv, and v!d) ii, vii, viii!e) ii and vii!!2) If the body’s internal temperature is lower than the set point which of the following responses are likely to be triggered?!i) sweating!ii) constriction of capillaries near the surface of the skin!iii) increased breathing rate!iv) increase in cellular metabolism throughout the body!v) muscle shivering!vi) dilation of capillaries near the surface of the skin!!a) i, iii, and v!b) ii, iv, and v!c) i, iii, and vi!d) iii, iv, and vi!!3) As the clutch size of a lizard increases:!a) egg size stays the same!b) egg size increases!c) egg size decreases!!4) The function of the lymphatic system is to:!a) secrete hormones.!b) remove waste from the blood.!c) return fluids to the blood.!d) deliver oxygen to tissues.!!5) Which of the following is an example of acclimation?!a) Some bacteria can use the energy from sunlight to make sugars. !b) Some plant species can absorb nitrogen better than others can. !c) Some fungi are larger than others are. !d) Some animals grow thicker coats when exposed to low temperatures. !e) Some hemoglobins have a higher affinity for oxygen than do others.!!6) Which of the following is NOT connective tissue: a) bone. b) cartilage. c) tendons. d) blood. e) All of the above are connective tissue. !7) Increases in the level of erythropoietin (EPO) in the blood is triggered by: a) the availability of more resources to produce eggs. b) a lowering of ambient temperature. c) a lowering of body temperature. d) a increase in the amount of oxygen in the air e) a decrease in the amount of oxygen in the air.!!8) Given the possibilities listed below, what do you expect would evolve first in ice fish?!a) The evolution of the loss of the ability to make red blood cells!b) The evolution of a larger heart..!c) both a and b occurred simultaneously.!d) none of the above.!!Extra Credit!!9) What is name of the frog that freezes each winter and live in New England?!a) Pickerel Frog!b) Wood Frog!c) Bull Frog!d) Leopard Frog!e) Snow