Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. If they are met, natural selection automatically results.
Ok, I'm not fully sure but answer B sound right, so I think it's right
At the DNA level, there are two main types of point mutational changes: base substitutions and base additions or deletions. Base substitutions are those mutations in which one base pair substitutes for another. They, again, can be divided into two subcategories: transitions and transversions.
46, but 23 pairs. hope this helped <3
Answer: If it can outcompete native species for resources such as nutrients, light, physical space, water, or food
Explanation: