Answer:
Any heritable traits that help humans survive and reproduce in the presence of AIDS should become more frequent over time.
Explanation:
The theory of natural selection is defined as <em>the process whereby organisms better adapted to their environment tend to survive and produce more offspring</em>. This means that, in this case, people who inherit a trait in their genes that allows them to resist the HIV virus, will be able to survive better and have children.
Unfortunately, there is no record of such a trait existing, and in this case, there is no kind of natural selection that can arise if every human becomes infected.
Answer:
Blood has three main functions: transport, protection and regulation. Blood transports the following substances: Gases, namely oxygen (O2) and carbon dioxide (CO2), between the lungs and rest of the body.
Explanation:
Answer:
According to Incentive theories there are two types of motivation - extrinsic and intrinsic. If you are driven by rewards in the form of outside objects like money, you would respond and utilize extrinsic motivation. If you are on the contrary, driven by internal rewards, like experience or joy from the process, you are likely to respond and utilize intrinsic motivation.
Explanation:
