Question

Which of the following examples best illustrates the process of evolution by natural selection?
a
A person with asthma has trouble breathing.
b
A population becomes immune to a lethal disease over many generations.
c
A group of species has common DNA sequences.
d
A man and a woman have 10 children over the course of their lifetime.

Answer 1

The answer is B. The reason why is because natural selection causes changes in a populations over many generations, and in this case the change that is being made is the that the population is becoming immune to a disease.

Answer 2

Natural Selection is defined as the process in which an organism better suited or adapted to the surroundings will have more chance of surviving and reproducing.

The correct option is:

Option B. A population becomes immune to a lethal disease over many generations.

Natural Selection is an evolutionary process in which organisms adapted to their surroundings tend to survive and reproduce.

In the given example, the population becoming immune to disease over several generations is an example of natural selection.

The organisms will tend to evolve and survive the lethal disease, making adaptations. These adaptations will be passed to the future generation, leading to natural selection.

Therefore, Option B is correct.

To know more about natural selection, refer to the following link:

https://brainly.com/question/9830102