16. Which statement best defines natural selection? a. Individuals with variation tend to live longer
b. Larger individuals tend to produce more offspring.
C. Individuals better adapted to the environment tend to leave more offspring
d. Individuals put into a warm environment will have an increased rate of mutations.

each of the 46 original chromosomes splits into two daughter chromosomes, so there are two sets of 46 daughter chromosomes that end up in each cell. human cells have 46 chromosomes. each chromosome consists of a pair of identical chromatids attached together by a structure called a centromere.

b.have there own function.

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.