Abiology teacher asks students to give examples of genetic variations that support the idea that changes in a population’s environment affect genetic variation. which is the least supportive example?

changes in genetics in human populations

antibiotic resistance in bacteria populations

pesticide resistance in garden insects

changes in the color of the peppered moth population in england

Answer;

-Changes in genetics in human populations

Explanation;

-Genetic variation is essential for natural selection because natural selection can only increase or decrease frequency of alleles that already exist in the population.

-Genetic variation is caused by: mutation. random mating between organisms. changes in genetics in human populations are the least changes that support the idea that changes in a population’s environment affect genetic variation.

this is math not biology xd

image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.