Use the theory of evolution to explain the observation that there are no tuskless males in the park. WHY do males retain their tusks, when 50% of females lost them.

his research revealed two genetically different groups of prokaryotes, which justified splitting kingdom monera into two kingdoms. the genetic and cellular differences were so great, that these two kingdoms were eventually placed into different domains in the current three-domain system.

the supermassive black hole is in the middle of the galaxy.

genetic variation will increase because of a new habitat and food source.

explanation:

more words for this could be abiotic and biotic

abiotic: living organisms within an ecosystem

biotic: non-living organisms within an ecosystem