geron_sci_255_assign_1

geron_sci_255_assign_1 - Perspectives on Evolutionary...

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In questions #1 through #10 please indicate the most correct option for each question. There is only ONE correct answer. 1. The ideal rectangular survival curve a. would show no infant morality b. shows a steep rate of decline in the middle years c. has an almost flat old-age portion d. has a short tail for the very old age part e. non of the above is correct 2. Developmental longevity in humans includes the years a. 0 through 30 b. 18 through 50 c. 0 through 18 d. 30 through 100 e. 0 through 100 3. Which is the incorrect option? It is difficult to do aging studies on humans because there are too many a. Genetic variables b. People that die prematurely c. Ethical limitations d. Drop-out problems e. Environmental variables 4. A type #1 survival curve has a. the total deaths on the vertical (Y) axid b. the percent survivors on the vertical axis c. the vertical (Y) axis showing a logarithmic scale d. the horizontal (X) axis showing a logarithmic scale e. the horizontal axis showing the percent survivors 5. Biological aging a. is the number of years that have lapsed since birth b. is the changes in functional properties of an individual after puberty c. is a decrease in functional capacity from birth d. is modified by external factors only e. occurs exclusively after the age of 65
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geron_sci_255_assign_1 - Perspectives on Evolutionary...

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