Which type of adaptation is most likely to occur over evolutionary time?
a) one that increases the physiological complexity and sophistication of the individuals in a population
b) one that increases the physiological simplicity of the individuals in a population
c) one that causes the individuals in a population to more closely resemble humans
d) one that causes the individuals in a population to more efficiently reproduce in the environment in which they live
e) one that causes the individuals in a population to have greater intelligence
Ans: d) one that causes the individuals in a population to more efficiently reproduce in the environment in which they live
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In the male reproductive system, the ____________________ secretes a milky, alkaline fluid that neutralizes acidic vaginal secretions and enhances sperm viability
Fill in the blank(s) with correct word
Core-periphery patterns are modified by
A) deindustrialization. B) creative destruction. C) government intervention. D) innovations in transport and communication. E) deindustrialization, creative destruction, government intervention and innovations in transport and communication.
Lateral gene transfer means that phylogenetic analyses of different individual genes from the same set of organisms often yield results that are inconsistent with each other
What technique seems to avoid this problem and give us the clearest, most consistent view of the "tree of life"? A) the polymerase chain reaction (PCR) B) molecular clock analyses C) "shotgun" rRNA sequencing from environmental samples D) Bayesian phylogenetic reconstruction E) whole-genome phylogenetic analysis
A woman who has blood type A, has a daughter who is type O positive and a son who is type B negative. Rh positive is a simple dominant trait over Rh negative. Which of the following is a possible genotype for the son?
A) IBIB B) IBIA C) ii D) IBi E) IAIA