Future of Human Evolution | Biology | Quiz

Evolution and natural selection are the same thing.

false

true
Why do some researchers doubt that humans will continue to evolve through natural selection?

The human population has started leveling off and will be stable at 9 billion by mid century.

Modern healthcare enables the weakest to survive to reproductive age.

Genetic engineering has made natural selection obsolete in many species on Earth.

Humans have not evolved since the Stone Age.
Natural selection will provide humans with:

larger brains

webbed hands or feet

improved vision or hearing

none of the above
The phrase "survival of the fittest" says that individuals born with traits that _____ survival to maturity are more likely to grow up and reproduce compared with individuals lacking such traits.

impede

bottleneck

enhance

reduce
Natural selection is occurring among humans in response to the HIV virus.

true

false
The process that affects evolution due to human activity is known as _____.

artificial selection

founder effect

genetic drift

natural selection
An example of artificial selection is:

After a large population is destroyed, a smaller population repopulates the species.

A small group if individuals breaks off from a larger population to relocate.

Women with wider hips due to caesarian section births.

Women with more narrow hips due to caesarian section births.
Which of the following factors is plausible as an evolutionary force for human colonists of other planets to become a new species:

Isolation from the rest of humanity for a very long time.

Living in a complete lack of air.

Constant influx of immigrants from Earth.

Invention of very rapid propulsion to allow travel to new colonies.