When scientists call evolution a “theory,” they mean that... 1. It is uncertain
ID: 282616 • Letter: W
Question
When scientists call evolution a “theory,” they mean that...
1. It is uncertain and speculative; scientists are not sure that evolution is valid. 2. It has been tested to some degree with conflicting results. 3. It has been extensively tested and is supported by many forms of evidence.
Natural selection results in
Mutations in the genetic makeup of a population.
Increase in adaptive traits over time
Environment stresses on a population
All of these.
1.Mutations in the genetic makeup of a population.
2.Increase in adaptive traits over time
3.Environment stresses on a population
4.All of these.
Explanation / Answer
When scientists call evolution a “theory,” they mean that...
3. It has been extensively tested and is supported by many forms of evidence.
Natural selection results in
2. Increase in adaptive traits over time
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