a population undergoing natural selection would see a faster and more dramatic change in allele frequency if the starting generation contained more of the allele being selected against.

How do diseases caused by bacteria and diseases caused by viruses react to antibiotics?

The picture shows a fishing technique called trawling. how might trawling affect marine biodiversity

Which of the following is most likely the result of an organism having lipids in its body a) water cannot be absorbed through the surface of a leaf b)human eats fruits to get a quick source of energy c) a sheep sleeps for more hours in the winter d) a warm river is filled with fish and algae