Who observed that organisms in a population differ slightly from each other in form, function and behavior?

What is the average speed of a car that traveled 300.0 miles in 5.5 hours

14. which of the following codons code for threonine? a. ucg b. ugu c. cga d. aca

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