B. Suppose that the chemist does not find that the pH of the pond has changed significantly since the time when large numbers of the fish were found in the
pond. After further research, the biologist discovers that the same fish species
has been dying in large numbers in other bodies of water because of an
infestation of a microscopic, parasitic protist. What type of expert should the
biologist seek, and why? (1 point)

The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.

Drag each label to the correct location on the table. each label can be used more than once. decide whether each statement describes saturated fat, unsaturated fat, or both saturated and unsaturated fats.

28. how many linkage groups will be formed by homogametic organism with 28 chromosomes?