Answer: Natural selection occurs when one allele (or combination of alleles of different genes) makes an organism more or less fit, that is, able to survive and reproduce in a given environment. If an allele reduces fitness, its frequency will tend to drop from one generation to the next.
Explanation:
Heredity is the passing on of traits from parents to their offspring, either through asexual reproduction or sexual reproduction, the offspring cells or organisms acquire the genetic information of their parents.
Explanation:
Car exhaust can have many negative effects on plants and animals. ... Similarly, soot particles produced by car exhaust can impair breathing, damage lung tissue and cause cancer in animals, while making it impossible for plants to photosynthesize, convert light to energy.
what kind of heart medicines the person is taking
Answer:
they dont move that quick
ages ago if u type on google the map of the country it will be different to how it is now.