Evolution/Natural Selection

Flashcard
•
Biology
•
9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is artificial selection?
Back
Artificial selection is the process by which humans breed plants and animals for specific traits, such as crossing a labrador and a poodle to create a labradoodle.
2.
FLASHCARD QUESTION
Front
What is genetic drift?
Back
Genetic drift is the change in the allele frequency of a population due to random chance.
3.
FLASHCARD QUESTION
Front
What is a vestigial structure?
Back
A vestigial structure is an anatomical feature that no longer seems to have a purpose in the current form of an organism.
4.
FLASHCARD QUESTION
Front
What are analogous structures?
Back
Analogous structures are anatomical features that evolved from different ancestors but have similar functions due to living in similar environments.
5.
FLASHCARD QUESTION
Front
What is the founder effect?
Back
The founder effect is a phenomenon that occurs when a small group of individuals starts a new population, leading to reduced genetic diversity.
6.
FLASHCARD QUESTION
Front
What is natural selection?
Back
Natural selection is the process by which organisms better adapted to their environment tend to survive and produce more offspring.
7.
FLASHCARD QUESTION
Front
What is a homologous structure?
Back
Homologous structures are anatomical features in different species that share a common ancestry, even if they have different functions.
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