Aplasma membrane and a cell wall
1. are two names for the same thing
2. have the same structure and different functions
3. have different structures and the same function
4. have different structures and different functions
which one would it be?

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.