What is microevolution?
Gene Flow Video

Interactive Video
•
Biology
•
12th Grade
•
Easy
Pip Smith
Used 6+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A) Evolution that happens over millions of years
B) Evolution expressed through a change in gene frequency over a short period
C) Evolution that results in the creation of new species
D) Evolution that only occurs in microorganisms
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the gene pool?
A) A swimming pool for animals
B) The group of genes an individual has
C) The sum total of all genetic material in a population
D) A collection of all DNA types in the world
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What process causes some alleles to become more common over generations?
Gene flow
Bottleneck effect
Genetic drift
Natural selection
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is genetic drift?
A) A process where alleles become more common through natural selection
B) A process where alleles randomly change in frequency
C) A mutation of genes in a population
) An evolutionary advantage due to better adaptation
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the founder effect?
A) When a population evolves new traits
B) When a small population splits off and becomes isolated
C) When a population doubles in size
D) When a population experiences a sudden increase in diversity
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which scenario best describes the bottleneck effect?
A) A large population mixes with another population, increasing diversity
B) A small population becomes isolated and evolves new traits
C) A significant portion of a population is wiped out, reducing genetic diversity
D) New alleles are introduced into a population, causing rapid evolution
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What caused the bottleneck effect in northern elephant seals?
A) A mutation in their genes
B) Hunting to near-extinction
C) A sudden change in climate
D) A new disease spreading through the population
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is gene flow?
A) The process of genes mutating within a population
B) When individuals move and breed between different populations
C) The loss of alleles in a population due to natural disasters
D) The introduction of new species into an ecosystem
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