How would the model change if absolute energy expenditure, instead of fitness cost, were plotted on the y-axis of the graph below?
a. It would result in identical cost curves for all three levels of male quality.
b. The fitness optima for tail length would be spaced more widely.
c. We would predict overall shorter tail lengths.
d. There would be no difference.
A
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The concept of ________ energy is the basis for models of optimal foraging
Fill in the blank(s) with correct word
Each of us is part of the ongoing evolution of the human species. Which of the following would have the greatest impact on the future biological evolution of the human population?
A) You work out every day so that you stay physically fit and healthy. B) A mutation occurs in one of your skin cells. C) You move to Hawaii, the state with the longest life expectancy. D) A mutation occurs in one of your sperm or egg cells. E) You encourage your children to develop their intellectual abilities.
Which population of organisms would be in the greatest danger of becoming extinct?
a) a population of organisms having few variations living in an unstable environment b) a population of organisms having many variations living in an unstable environment c) a population of organisms having few variations living in a stable environment d) a population of organisms having many variations living in a stable environment
Translation occurs in the ________ of bacteria and in the ________ of eukaryotic cells.
A. nucleus; cytoplasm B. nucleus; nucleus C. cytosol; endoplasmic reticulum D. cytoplasm; cytosol E. cytoplasm; nucleus