Question
What is a feature of natural selection?
A It does not require a struggle for survival.
B It does not require variation in a population.
C It involves the selection of advantageous phenotypes.
D It involves the selection of disadvantageous genotypes.
Answer/Explanation
Ans
C
Question
The events listed may happen in a population.
1 Better adapted organisms survive.
2 Mutation results in variation.
3 Survivors pass on their alleles to the next generation.
4 There is a struggle for survival.
Which sequence may lead to evolution in the population?
A 1 → 2 → 3 → 4
B 2 → 4 → 1 → 3
C 3 → 2 → 4 → 1
D 4 → 1 → 2 → 3
Answer/Explanation
Ans: B
Question
Which statement describes the relationship between evolution and natural selection?
A A change in the adaptive features of a population over time causes evolution, resulting in natural selection.
B Evolution causes a change in the adaptive features of a population over time, resulting in natural selection.
C Evolution causes natural selection, resulting in a change in the adaptive features of a population over time.
D Evolution is the change in the adaptive features of a population over time as a result of natural selection.
Answer/Explanation
Ans: D
Question
The development of antibiotic resistant bacteria is an example of
A artificial selection.
B genetic engineering.
C humans developing immunity to antibiotics.
D natural selection.
Answer/Explanation
Ans: D