RELATABLE?

What must be true for natural selection to heppen

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

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