Which of the following is one observation that charles darwin made regarding variation?
a. organisms are born with variation.
b. organisms are not born with variation.
c. variation is not observable in nature today.
d. variation is acquired as organisms go through daily life.

Which ocean is on the eastern coast of north and south america? arctic ocean indian ocean pacific ocean atlantic ocean

Along what geographical feature are most of the oil producing regions located

Which statement describes how favorable traits in a population relate to natural selection? they are the only traits that ever exist in the population. they build in the population over time. they are rarely passed on to offspring. they are found only in a few individuals within the population.