Statement 1: If a trait helps an individual survive and reproduce, the genetic variation is passed to the next generation; Statement 2: If there is a mutation in the genetic sequence, it always causes a change in the trait of an organism

◯ Both statements are true.

◯ Both statements are false.

◯ Only first statement is true.

◯ Only second statement is true.

 

Genetic variation is important in reproducing populations becauseit allows the population to adapt to changingenvironments. Those individuals who are genetically bestadapted to an environment have a greater tendency to survive andreproduce.

1. How do prokaryotes generate genetic variation ina population?
2. List three mechanisms that sexually reproducingeukaryotes use to develop genetic variation.

Describe the theory of natural selection Which of thefollowing BEST describes the theory of natural selection? CHOOSEONE

What is a cline?

(a) The slope of a mountain where a population lives.

(b) The degree to which a mutation helps an individual survive.

(c) The number of individuals in the population.

(d) Gradual geographic variation across an ecological gradient.