Darwin's theory of natural selection and evolution are based on: Individuals within a population differ.

Some individuals are more successful at surviving and reproducing than others.

Differences between organisms are passed from parent to offspring.

All of the choices are part of Darwin's theory.

The successful individuals succeed because of variant traits they have inherited and will pass onto their offspring.

Which of the following statements is a scientific claim? a. the early solar system had large amounts of water; so, the oldest objects in the solar system should also be abundant in water. b. earth is shaped like a sphere even if not all of the scientific observations related to its shape support this idea. c. the mass of the universe is much greater than current models predict; it is not possible to explain this inconsistency. d. planet earth is abundant in water, but there is no way to scientifically determine from where earth's water originated.