If a mutation results in an organism with new characteristics then eventually a new species will be formed if more such mutations will continue to accumulate in the individual. Mutations result into the accumulation of variations in an individual and when such variations keep on accumulating in a particular organism consistently it leads to formation of a new species or we can say that evolution has occured.
A) gravitropism is how they "know"
Answer
The key markers for the identification of bacteria are special RNA polymerase, peptidoglycan in cell walls. ester-linked fatty acids.
Explanation:
Different stars are different colors depending on the temperature. So, for example, a blue star is hotter than a yellow star such as our Sun.
