________ ________ microbiologists monitor community food establishments and water supplies in order to control the spread of communicable diseases.
Fill in the blank(s) with the appropriate word(s).
Public health
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Genetic drift will have a progressively larger impact on allele frequencies in a population as
a. gene flow increases. b. population size decreases. c. mutation rate decreases. d. the number of heterozygous loci increases. e. random mating increases.
One of the diseases that is expected to increase due to global warming is
1.West Nile virus. 2.polio. 3.tetanus. 4.anthrax. 5.cholera.
The evolution of eukaryotic cells most likely occurred in many steps. Outline the steps that may have occurred beginning with the formation of biological molecules and ending in complex structures observed in eukaryotic cells today
What will be an ideal response?
In a natural population of a grass species, the average protein content of seeds would increase over time if seeds with higher protein content survived better and grew into individuals that produced many seeds with high protein content when they matured. Why?
A. Seeds with higher protein content become more common in the population because this characteristic is heritable and increases survival. B. In the lifetime of individual grass plants, the protein content of seeds would increase because higher protein content increases survival but is not heritable. C. In the lifetime of individual grass plants, the protein content of seeds would increase because higher protein content is heritable and increases survival. D. Seeds with higher protein content become more common in the population because this characteristic is artificially selected.