Is used to provide nutrients to growing plants, which in turn provide food for other organisms
a. glacial deposits
c. organic material
b. weathered rock
d. top soil

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.

Give examples of selective advantage of organism’s body part/organ

What would most likely happen to a unicellular organism if it was exposed to a hypotonic solution for an extended period of time?