Explain why male baboons have evolved to be larger than the females of the species.
What will be an ideal response?
Baboons live in a society in which the males have a dominance hierarchy. The males are forced to compete with each other in order to gain access to females during the breeding season. This type of competition would tend to favor the males that are better fighters, typically the larger males. Generation after generation the more successful males would be the ones to breed and pass on their genetics to produce larger male offspring.
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In step 6 of the citric acid cycle, succinate + FAD fumarate + FADH2. Which statement concerning this reaction is true?
A. Fumarate is more oxidized than succinate. B. FAD is more reduced than FADH2. C. FAD is an oxidizing agent in the reaction. D. This is not an oxidation/reduction reaction, that is, no electrons have moved. E. a and c are both correct.
A positive test was observed on a serum sample that resulted in the formation of a fine precipi-tate on a reaction card. The most likely organism serologically identified is:
a. Chlamydia trachomatis. b. Bacillus anthracis. c. Treponema pallidum. d. Toxoplasma gondii.
A testcross involves
a. two F1 hybrids. b. an F1 hybrid and an F2 offspring. c. two parental organisms. d. an F1 hybrid and the homozygous dominant parent. e. an organism of dominant phenotype but unknown genotype and an organism that is homozygous recessive for that trait.
Suppose a species of wild boar (a type of pig) is actively hunted when it is at a young age because at that stage of its development the meat of the boar is particularly tender. What is a likely outcome if this species is overharvested?
A) The wild boar population will dwindle because their food source will disappear due to habitat loss. B) The wild boar population will increase because older boars will continue to survive. C) The wild boar population will dwindle and potentially go extinct if not enough boars that can reproduce are left to mate. D) The wild boar population will increase because boundaries will help separate boars from humans.