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Natural Selection Ch 1-2 Review
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Cause or effect: In regards to natural selection, environmental changes can __________ the distribution of traits to change in a population.
Cause
A population is likely to go extinct if they have ______ traits.
Non-adaptive
True or False: Individuals with adaptive traits become more common in a population.
True
The "E" in CER stands for....
Evidence
The "C" in CER stands for....
Claim
True or False: A population will not go extinct if they do not adapt.
False
True or False: The environment determines whether or not a trait is adaptive.
True
How do genes get passed from one generation to the next?
Reproduction
A type of large molecule that performs important functions inside organisms
Protein molecule
The process by which the distribution of traits in a population changes over many generations
Natural selection
An instruction for making a protein molecule
Gene
A blowfish is able to puff itself into a round, spiky ball when a predator approaches. This is an example of...
An adaptive trait
A characteristic that can be passed from parent to offspring through genes is called:
Trait
When animals change their behavior or appearance in response to changes in the environment
Adaptation
A group of the same type of organism living in the same area
Population
Any difference in traits between individual organisms
Variation
A group of individuals born and living at about the same time
Generation
The number of individuals with each trait in a population
Distribution
An idea about what might happen that is based on what you already know
Prediction
A specific characteristic of an individual organism
Trait
A trait that makes it less likely that an individual will survive in a specific environment
Non-adaptive trait
A trait that makes it more likely that an individual will survive in a specific environment
Adaptive trait
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