What is natural selection?
Natural Selection

Flashcard
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Science
•
7th Grade
•
Easy
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1.
FLASHCARD QUESTION
Front
Back
Natural selection is the process in which helpful traits become more common over time.
2.
FLASHCARD QUESTION
Front
What happens to the populations of yellow and green morph insects in the rainforest canopy?
Back
The green population is expected to increase and the yellow population to decrease.
3.
FLASHCARD QUESTION
Front
Why is the mouse population changing over time?
Back
The hawks eat more light mice than dark mice because they can see the light mice more easily.
4.
FLASHCARD QUESTION
Front
Do organisms 'decide' to evolve and change?
Back
No, they change because of natural selection.
5.
FLASHCARD QUESTION
Front
What word describes a trait that helps an organism survive in its environment?
Back
Adaptation.
6.
FLASHCARD QUESTION
Front
What is an adaptation?
Back
An adaptation is a trait that enhances an organism's ability to survive and reproduce in its environment.
7.
FLASHCARD QUESTION
Front
How does camouflage serve as an adaptation?
Back
Camouflage helps organisms blend into their environment, making it harder for predators to spot them.
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