Question

15.
Choose the best answer.

Who is credited as being the founder of the Theory of Evolution?

Aristotle

Alfred Wallace

Charles Darwin

Carl Sagan
16.
Choose the best answer.

The results of genetic drift are more apparent in ______________ populations.

big

ancient

small

moving
17.
Matching.

The
island off the western coast of
were studied by Charles Darwin, leading to the formation of the theory of evolution.
18.
Choose the best answer.

The process of beneficial changes being passed down and harmful changes being weeded out over the generations is _____.

natural selection

speciation

gene pool

artificial selection
19.
Choose the best answer.

If species don't adapt to environmental changes, they become ____________ .

extinct

weak

overpopulated

strong
20.
Choose the best answer.

A group of organisms that are capable of interbreeding and producing viable fertile offspring is a definition of _____.

phyla

heritability

kingdom

species
21.
Choose the best answer.

Which of these statements defines genetic drift?

the changing frequency of an allele occurring in a population over time

the theory that all evolution is slow and proceeds at a steady rate over a long period of time

a species' or population's entire group of alleles

evolutionary mechanism in which an individual from one population is introduced to another population
22.
Choose the best answer.

A chronological system of measurement that scientists use to describe the timing of events and its relationship to life and the history of the earth is the ____.

Geologic Time Scale

natural selection

gradualism

speciation
23.
Choose the best answer.

The utilization of variation, heritability, and reproductive advantage in driving evolutionary change through generations in living organisms is a definition of _____.

abiogenesis

natural selection

microevolution

biogenesis
24.
Choose the best answer.

What is a gene pool?

the changing frequency of an allele occurring in a population over time

the process of forming a new species from an existing species

a species' or population's entire group of alleles

a group of organisms that are capable of interbreeding and producing fertile offspring
25.
Choose the best answer.

What is gradualism?

the theory that all evolution is slow and proceeds at a steady rate over a long period of time

the process of forming a new species from an existing species

the changing frequency of an allele occurring in a population over time

a species' or population's entire group of alleles
26.
Choose the best answer.

Which of the following is the definition of gene flow?

the changing frequency of an allele occurring in a population over time

a species' or population's entire group of alleles

the process of forming a new species from an existing species

evolutionary mechanism in which an individual from one population is introduced to another population
27.
Choose the best answer.

The process that drives most of evolution is ______________.

overproduction

competition

radioactivity

environmental change

Answer 1

15. Charles Darwin

16. small

17. The Galápagos Islands off the western coast of Ecuador (South America)

18. natural selection

19. extinct

20. species

21. the changing frequency of an allele occurring in a population over time

22. Geologic Time Scale

23. natural selection

24. a species' or population's entire group of alleles

25. the theory that all evolution is slow and proceeds at a steady rate over a long period of time

26. evolutionary mechanism in which an individual from one population is introduced to another population

27. environmental change