Discuss the results of your research about the roles of nature versus nurture on human health. share your opinion about how an individual’s genetic makeup interacts with nutrition, smoking, drug use, or exercise to affect the quality and length of life. back up your opinion with facts from your research. cite at least three sources to support your conclusions. respond to at least two other student posts.

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.

Based on anatomical similarities, to which modern animal is dr. digger’s creature most closely related?

Why are fossils not found in igneous rocks? igneous rocks are made from cooling of lava or magma. igneous rocks are found too deep underground. igneous rocks are too dark in color to contain fossils. igneous rocks are too dense to contain fossils.