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5.02 Evolutionary Relationships

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Mckenna Benjamin

on 6 February 2015

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Transcript of 5.02 Evolutionary Relationships

Problem & hypothesis

Yellow Red Pink Brown Green Blue Purple
Generation 0 43 1
Generation 1 39 1
Generation 2 30 1 2 1
Generation 3 24 3

Yellow Red Pink Brown Green Blue Purple
Generation 4 1 1 7
Generation 5 7 4 3 2 1 30
Generation 6 2 1 2 2 4 3 25
Generation 7 2 1 4 4 33

How does a population change as a result of natural selection?

I predict that the populations will change according to what colored species blends in with the environment. Because species evolve over time because of natural selection; the species will become camouflage, blending in with their surrounding environment.


The color of the environment (background) and the color of the species are unrealistic. The species camouflaging and adapting to their environment and the species growing is realistic.
If a predator was able to camouflage into the environment, if he made little noise, had good hearing, and could move fast, he would probably be more fit.
5.02 Evolutionary Relationships
Mckenna Benjamin
Data Analysis
Identify at least two things that are unrealistic and two things that are realistic about this exercise.
What traits could help a predator be more “fit” in this model environment?

Describe other adaptations besides color that could affect an individual’s survival.
Chart A
Background Color - Yellow
Chart B
Background Color - Purple
Observations and Graphs
I noticed that for Chart A the population remained mostly yellow.

I noticed that for Chart B the population remained mostly purple.
Generation 0
Generation 1
Generation 2
Generation 4
Generation 5
Generation 6

Generation 7
Generation 3
What color(s) seemed to camouflage the best in this habitat? What color(s) seemed to stand out the most?

The colors that seemed to camouflage the best in this habitat were yellow and purple. The colors that seemed to stand out most were red, pink, brown, green, and blue.

How did the colors of each type of prey affect its population size over time?

For Graph A, the yellow colored species survived because they blended in with their environment, and the pink, blue, and brown colored species weren’t able to survive because they didn’t blend in. It was the same thing for Graph B; the purple survived, but the yellow, red, pink, blue, brown, and green didn’t survive.
How do the original and surviving prey populations compare?

The original and surviving prey populations compare because of natural selection; both populations have evolved to blend in with their environment and, the other colored species weren't surviving.
How do you predict the data would change if you continued? Explain your answer.

I predict that the purple will continue to grow and the other colors will disappear more until the environment changes and then a new color of species would survive and maybe the purple would disappear. I think this could happen because that’s how natural selection works.
How would these results change if the colors or patterns of the habitat were to change?
If the colors or patterns of the habitat were to change, the purple colored species would most likely no longer blend into their environment and would become noticeable prey, and maybe any other colored species that had survived (like blue or red) would reproduce and adapt to their environment.

Appearance could affect an individual’s survival; not just color, but maybe sharp teeth, rough skin, or claws to fight of predators.
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