Sweating when it is hot outside is an example of which characteristic of life?
responding to the environment
using energy
reproducing
growing and developing

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.

Autotrophs a.consume their food to get energy b.may use photosynthesis to gain energy c.are also called consumers d.cannot use solar energy

When proteins are being produced by a cell, scientist say that the genes are question 2 options: activated turned off replicated deactivated