Which level of organization includes the most interactions?
biosphere
community
population
ecosystem

What are the responsibilities of the region of the brain highlighted below? =+= will rate brainiest =+=

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.

This is one of the five kingdoms in the older biological succession. organisms in this kingdom are prokaryotic.