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Within a gene pool of a population, there is genetic variation, due to mutation. This leads to phenotypic variation. Some individuals will be better adapted to the environment than others and will ther...

Within a population of a species there is great geetic variation giving rise to variation in their phentoypes. Some phenotypes enable an organism to be better adapted to its environment than other memb...

Sexual reproduction involves the fusing of 2 gametes (male and female). This results in a variety of offspring as the genetic information is mixed.

Asexual reproduction requires only1 par...

Antibiotics are drugs prescribed to people to fight bacterial infections. They work in the body to target specific bacteria that are circulating or found withing tissues, but cannot work within cells (...

There are generally three types of enzymes.Amylase (Carbohydrate) enzymes, Pepsin (Protease) enzymes and lipase enzymes.Amylases break down starch in carbohydrates into sugars that can be used by the body...