Biology, 28.04.2021 02:10 Brangolflro
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The distribution of phenotypes in a species can change when changing environmental conditions cause selection to occur. Which of the following best describes evidence that would indicate directional selection is occurring?
A shift in a population's frequency curve from an intermediate phenotype to an extreme phenotype
A shift toward equal distribution of all phenotype frequencies, including intermediate and extreme phenotypes
An increase in the frequency of extreme phenotypes and a decrease in the frequency of intermediate phenotypes
An increase in the frequency of intermediate phenotypes and a decrease in the frequency of extreme phenotypes
Answer from: Yamari000
One of the extreme phenotypes has the highest fitness. The bell curve shifts towards the more fit phenotype.
Explanation:
It's not the exact same as yours but this is the right answer.
Answer from: Quest
Prophase prometaphase metaphase anaphase and telophase (i would make the diagram with arrows pointing down to the next step)
Answer from: Quest
V-sause has a vid over this, i suggest you go and watch; really informal!
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