Favorable traits are traits that promote an organism's success in a particular environment. Organisms with favorable traits are more likely to thrive, survive, and reproduce than organisms without favorable traits. Over time, favorable traits are likely to________ within a population and unfavorable traits are likely to ________ within a population.
Answer: Grow ; Disappear.
Explanation:
The organism that best suits in the environment is likely to grow and reproduce and its population in the environment increases.
Over the time the characters that are favored more survive and the characters that does not allows the organism to survive in harsh conditions are not favored.
These organism die and over the time the traits disappear from the population.