True or false? . competition is a factor of natural selection. genetic variation is a factor of natural selection. individuals among a population that are better adapted to their environment leave more offspring.

You want to cultivate some exotic plants at your farm. however, the climate is chillier than the temperature range favorable to the crop. which is the best method to use for the cultivation of this exotic crop? a. use a crop rotation method b. use a lot of fertilizer c. prepare the seed bed properly d. use a greenhouse e. use irrigation

Why does the earth spin slowly, not faster? is it possible to prove it scientifically? can you prove it with math?

Which of the following is an abiotic factor in an ecosystem? a. bacteriab. airc. niched. grass(abiotic=non-living) me !