Question

multiple choice questions: choose the correct answer from the choices for each question.

1. what is the main result of natural selection over a long period?

a) more competition
b) evolution
c) artificial selection
d) decrease in fitness

Explanation:

Natural selection is the process where organisms with favorable traits survive and reproduce. Over long periods, this leads to evolution (change in species over time). More competition (a) is not a result but a factor. Artificial selection (c) is human - driven. Decrease in fitness (d) is opposite; natural selection increases fitness.

Answer:

b) Evolution