Vocabulary
"a group of organisms of the same kind (in one or more populations) that do not reproduce with organisms from any other group"
what is a species?
This introduces new variation to population.
What is a mutation?
This is something that can cause populations to change over time.
What is a change environment?
Rough-Skinned Newts are found in this area of the United States.
What is the Pacific Northwest?
What do taller histogram bars indicate?
What is a great number of individuals with those traits.
"a trait that makes it less likely that an individual will survive in a specific environment"
what is a non-adaptive trait?
The vast majority of mutations do this.
What is nothing?
This is what makes a member of a species unique.
What is a trait?
This is the habitat of a rough-skinned newt.
Redwood forests and near ponds and streams?
What does a greater number of histogram bars indicate?
What is a greater amount of variation for that feature.
"the process in which two parents pass on their genes to create offspring"
If a mutation results in an adaptive trait, we can expect it to do this over many generations.
What is becomes more common?
What will become more common in populations over time?
What is an adaptive trait?
What caused the rough-skinned newts to become more poisonous?
What is the snakes caused poison level to become an adaptive trait?
What can histograms tell us?
What is the amount of variation of a specific trait in a population.
"any difference in traits between individual organisms"
what is variation?
A trait is non-adaptive if it does this.
What is "keeps the organism from surviving and/or reproducing?"
What can cause individuals to die out without having offspring?
What is a non-adaptive trait?
This is how snakes know not to eat a particularly poisonous rough skinned newt.
What is taste it?
Why do we compare histograms from different generations?
What is to see how the variation within a population has changed over time.
"the number of individuals with each trait in a population"
what is distribution?
Occasionally an individual introduces a new trait to a population through a mutation. This can only happen if...?
What is the mutation is an adaptive trait?
Where do offspring inherit traits from?
What is from their parents?
How was poison level 10 introduced to the population of Rough Skinned Newts?
What is it was introduced from a mutation?
How do we use histograms to predict future generations?
What is by labeling the likely to survive and not likely to survive based on the environment and variation of the trait.