Fatty acid 3. N-containing base 5. Evolution means that one or more of the traits that characterize an individual change during that individual's lifetime. Breeding of farm animals is similar to natural evolution because both involve differential reproduction in response to selective pressures. For natural selection to take place, the genetic composition of a population must be homogenous.
Photosynthesis takes place in chloroplasts in all cells.
Sites where the ribosomal subunits are first assembled in eukaryotes.