Question

Multiple choice questions i need help to check my answers!

Question 9 (2 points)
What would happen if there were no predators in the forest? Would the colors of the moths change over time?

Question 9 options:

Yes, the color of the moths would change because soot would still affect the trees.


No, with no predators, there is no selection pressure against a particular color, so the percentages of dark and light moths would stay the same.


No, the mutation only happened in response to the presence of the soot. Without predators, the mutation wouldn't spread in the population.


Yes, different colored moths would compete and only one color would win.

Question 10 (2 points)
Which of the following is NOT an example of natural selection?

Question 10 options:

Bacteria becoming resistant to antibiotics.


People selectively breeding dogs.


Male birds of certain species developing colorful feathers to attract female mates.


Insect populations developing resistance to certain pesticides.

Question 11 (2 points)
The primary difference natural and artificial selection is:

Question 11 options:

In nature selection, the selection "pressure” comes from the environment; in artificial selection the “pressure” comes from humans.


In artificial selection, the selection “pressure” comes from the environment; in natural selection the “pressure” comes from humans.


Natural selection is when humans breed the animal; artificial selection is when humans edit genes directly.


They are different terms for the same concept.

Answer 1

Question 9:

No, the mutation only happened in response to the presence of the soot. Without predators, the mutation wouldn't spread in the population.

Question 10:

people selectively breeding dogs

Question 11:

In nature selection, the selection "pressure” comes from the environment; in artificial selection the “pressure” comes from humans.