The vast variety of different traits found in humans results from
(1) intensive training and education
(2) sexual reproduction and mutations
(3) exercise and conditioning
(4) birth defects and recessive genes

What does homeostasis means in biology?

Which is not a type of symmetry? a. asymmetryb. radial symmetryc. bilateral symmetryd. lateral symmetry

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