Make a claim about the factors that cause inherited genetic variations within populations. Inherited genetic variations are caused by genetics only. They are caused by crossing over and assortment in the development of sex cells in meiosis. The random joining of sex cells can also be a source of genetic variation. Mutations also can cause variations in genetic sequences. Mutations are always harmful.

The graph represents the gravitational attraction between two equal masses vs. their distance apart, which statement best describes the information presented by the graph? a) distance is only a factor in space, not on earth. b) gravitational attraction is directly proportional to distance. c) gravitational attraction is inversely proportional to distance. d) gravitational attraction is not related to the distance between objects.

Which level of consumer had access to the smallest apply of energy

Differentiation of cells changes the nucleic information. true false