-1 + 3(b + 5) = 7
Can you help plz

Which of the following occurs most often in a population when genetic variation and overproduction are present? some organisms have a lower reproductive success than others. some organisms have a higher reproductive success than others. some organisms have no reproductive success. some organisms do not have genetic variation.

The probability of producing a normal child by two parents who are carriers for an autosomal recessive disorder is

Explain how ancient whale fossils found in eqypt are believed to support the theory of evolution.