Which of the following molecules did the first
life on earth more likely use for extracting
energy and carbon?
a. oxygen
b. ATP
c. NADPH
d. water
e. methane
E
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Which of the following statements is true about sex linked disorders? a. Only the mother's chromosomes will determine the sex linked disorders of all of her children
b. Both parents' chromosomes will influence their daughters sex linked disorders equally. c. The father's chromosomes will determine the sex linked disorders of his daughters. d. The mother's chromosomes will determine the sex linked disorders of her daughters. e. Only the father's chromosomes will determine the sex linked disorders of all of his children.
What was the long-term effect of the introduction of myxoma virus to control rabbits in Australia?
a. The rabbits were all killed. b. Most rabbits became immune to the virus. c. The virus killed off some of the rabbit population but also infected kangaroos and wallabies. d. The virus became less virulent and the rabbits gained some immunity. e. The virus had no effect.
If we are to manage a population of game animals for the maximum number that can be harvested while not impacting the potential for the population to grow, where on the curve would we want to keep our population in terms of size or number of individuals?
1.at point A
2.at point B
3.at point C
4.at point D
What makes a mineral element essential for plant growth?
A. It can only be found in organic fertilizers. B. It is part of typical chemical fertilizers. C. As its concentration increases, the plant grows more. D. If it is missing, the plant cannot grow or reproduce normally. E. It contributes to the solute potential of the plant.