evolution and ecology questions
Flashcard
•
Biology
•
9th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is Darwin's theory of evolution by natural selection?
Back
Darwin's theory states that more offspring are produced than can possibly survive, leading to competition for resources. The individuals that are best adapted to their environment are more likely to survive and reproduce.
2.
FLASHCARD QUESTION
Front
What is embryology?
Back
Embryology is the study of embryos of various organisms to show a common ancestor due to similarities in development.
3.
FLASHCARD QUESTION
Front
What happens to a population of mice if wolves and snakes are removed from the food web?
Back
If wolves and snakes are removed, the mouse population may grow excessively and destroy the community by consuming all the berry bushes.
4.
FLASHCARD QUESTION
Front
What is the competitive exclusion principle?
Back
The competitive exclusion principle states that two species competing for the same resource cannot coexist if other ecological factors are constant; one will outcompete the other.
5.
FLASHCARD QUESTION
Front
Why are mutations important in evolution?
Back
Mutations are important because they introduce genetic variation, which is necessary for a population to evolve.
6.
FLASHCARD QUESTION
Front
What is natural selection?
Back
Natural selection is the process where organisms better adapted to their environment tend to survive and produce more offspring.
7.
FLASHCARD QUESTION
Front
Define speciation.
Back
Speciation is the evolutionary process by which populations evolve to become distinct species.
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