PLEASE HELP Unlike most organisms the white-tailed deer has thrived in disturbed areas. Explain at least two ways that the increasing human population has and will continue to impact the white-tailed deer population. In your response, be sure to address both living and nonliving limiting
factors

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.

The vaccine in a flu shot contains weakened flu viruses. how does a flu shot work with the immune system? a. it destroys lymphocytes. b. it destroys macrophages. c. it activates macrophages. d. it activates lymphocytes.

What does it mean for an allele to be dominant?