Many bacteria reproduce asexually. the bacterium shown here is reproducing asexually, by binary fission. the definition of a is a group of interbreeding individuals cannot be easily applied to organisms that reproduce only or mainly by asexual methods. a. class b. kingdom c. population d. species

According to the diagram, what sources contribute to the phosphorus found in soil? according to the diagram, phosphorus found in soil contributes phosphorus to what other sources? (site 1)

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.

Are the earth's ocean floor and continents the same age geologically? why or why not?