General Science and Nature

A

Natural selection

B

Gene flow

C

Lamarckism

D

Genetic drift

Explanation Comments

A

Speciation

B

Hybridization

C

Punctuated equilibrium

D

Polyploidy

Explanation Comments

A

Reduced hybrid viability

B

Hybrid breakdown

C

Temporal isolation

D

Hybrid infertility

Explanation Comments

A

Paleontology

B

Biogeography

C

Comparative anatomy

D

Phylogenetics

Explanation Comments

A

Hair follicles

B

Wisdom teeth

C

Opposable thumbs

D

Nails

Explanation Comments

A

Genetic variability within a population

B

Ability to survive and reproduce in a given environment

C

Physical strength and agility

D

Size of an organism

Explanation Comments

A

A sudden change in climate leading to the extinction of a species

B

The movement of genes between populations

C

A small group of individuals migrating to a new habitat

D

Random fluctuations in allele frequencies due to chance events

Explanation Comments

A

Charles Darwin

B

Gregor Mendel

C

Herbert Spencer

D

Alfred Russel Wallace

Explanation Comments

A

Adaptive radiation

B

Divergent evolution

C

Coevolution

D

Convergent evolution

Explanation Comments

A

It results in increased genetic diversity within a population.

B

It occurs when individuals from a population migrate to a new area and establish a new population.

C

It occurs when a population is reduced to a small number of individuals, leading to a loss of genetic diversity.

D

It is a type of gene flow.

Explanation Comments

All MCQs

Which of the following is not considered a mechanism of evolutionary change?

Explanation:

What is the term for the process by which new species arise from a common ancestor over time?

Explanation:

Which of the following is an example of a prezygotic reproductive barrier?

Explanation:

The study of fossils to understand evolutionary relationships and the history of life on Earth is known as:

Explanation:

Which of the following is an example of a vestigial structure in humans?

Explanation:

In the context of evolution, what does the term "fitness" refer to?

Explanation:

Which of the following is an example of genetic drift?

Explanation:

The concept of "survival of the fittest" was popularized by:

Explanation:

What is the term for the process by which two species evolve in response to each other, often leading to reciprocal adaptations?

Explanation:

Which of the following statements about the founder effect is true?

Explanation:

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