Answer:
Survival of the fittest; nature "selects" the organisms best suited to their environment to survive and pass on traits. ... What role does the environment play in natural selection? Species adapt to fit their environment because a species environment is what selects for traits that are fit or less fit.
The symptoms of the disease/virus itself.
A nonrenewable resource is a resource of economic value that cannot be readily replaced by natural means on a level equal to its consumption. Most fossil fuels, such as oil, natural gas and coal are considered nonrenewable resources in that their use is not sustainable because their formation takes billions of years.
Hydrogen<span>, </span>oxygen<span>, </span>nitrogen<span> and carbon. Does that help?</span>
Answer:
Genetic variation among plant populations often occurs along different climatic gradients, such as temperature and precipitation gradients.
Environmental factors are often responsible for the patterns of genetic structure observed at small spatial scales (Sacks, Brown, & Ernest, 2004).