Which of the following statements are true about common ancestors? check all of the boxes that apply. a common ancestor exists when two species are derived from the same ancestral species. common ancestors only exist within a single species. when two organisms share a common ancestor it means that they are related to some degree. the more common ancestors two species share, the more closely they are related. common ancestors show evidence for evolution because they show that all life is related.

-A common ancestor exists when two species are derived from the same ancestral species.

-When two organisms share a common ancestor it means that they are related to some degree.

-The more common ancestors two species share, the more closely they are related.

-Common ancestors show evidence for evolution because they show that all life is related.

Explanation:

The theory of evolution is currently the basis of biology. According to Darwinian theory, living beings have their origin in a common ancestor, and over time and through natural selection they were transformed and evolved into new types of species. Defined evolution as the process by which organisms are transformed over generations, characterized as a complex process, since an ancestor can be many descendants.

the answer to this question is a