rinciples of Biology II Exam 82A 1) Primate evolution and behavior, such as hunt
ID: 132210 • Letter: R
Question
rinciples of Biology II Exam 82A 1) Primate evolution and behavior, such as hunting skills, have been directed in part by the development of depth perception. What anatomical change made depth perception possible? 6) Among mammals, it is generally true that A) the epiglottis prevents swallowed food from entering the trachea A) a larger brain B) all types of foods begin their enzymatic digestion in the mouth the trachea leads to the esophagus and t of the eyes to the front of the head C) diurnal (daytime) activity D) the formation of compound eyes then to the stomach D) after leaving the oral cavity, food enters the larynx 2) All animals, whether large or small, have 7) Which of the following characteristics evolved independently in mammals and birds? A) a body surface covered with hair to keep them warm aqueous medium a basic body plan that resembles a endothermy C) amniotic eggs B) most of their cells in contact with an D) bone C) an external body surface that is dry 8) Countercurrent exchange is evident in the flow of two-layered sac A) water across the skin of a frog and the blood flow within the ventricle of its B) water across the gills of a fish and the C) air within the primary bronchi of a 3) Villi and microvilli in the small intestine heart blood within those gills A) emulsify lipid molecules B) neutralize stomach acid C) activate trypsinogen human and the blood within the pulmonary veins ) increase the surface area to increase the D) blood in the dorsal vessel of an insect fficiency of nutrient absorption and that of air within its tracheae 4) Mammals and birds eat more often than by mammals and birds best explains this B) ectothermy 9) In an open circulatory system, blood reptiles. Which of the following traits shared (hemolymph) is A) not always confined to blood vessels habit? and is under lower pressure than in A) terrestrial C) amniotic egg closed circulatory systems endothermy B) always inside of vessels and is under higher pressure than in closed 5) Most of the carbon dioxide produced by circulatory systems C) always inside of vessels and is under humans is lower pressure than in closed A) simply dissolved in the plasma B) bound to hemoglobin C) transported in the erythrocytes as circulatory systems D) not always confined to blood vessels and is under higher pressure than in carbonic acid closed circulatory systems D) converted to bicarbonate ions by an enzyme in red blood cellsExplanation / Answer
1.B
2. B
3. D
4. D
5. D
6. A
7. A
8. B
9.not always confined to blood vessels and is under low pressure than in closed circulatory system
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