It is called coevolution, when two species influence each other's speciation.
Any change or random error in a DNA sequence is called a mutation.
C. punctuated equilibrium. Scientists believe in two evolutionary theories: gradualism and punctuated equilibrium. If punctuated equilibrium suggests species can rapidly evolve into a new species, gradualism suggests that these changes (selection and variation) happen more gradually.
Answer:
more than one.............
