NS 1.5 (1/11)

Last updated over 2 years ago
9 questions
0

How does the above photo display adaptation?
CFS:
  • accurately describes the relationship between environmental changes and population variations
  • describes the cause and effect relationship between environmental factors and illuminated species traits

0

Which trait became more common over time? Why do you think this happened?
CFS:
  • accurately describes the relationship between environmental changes and population variations
  • describes the cause and effect relationship between environmental factors and species traits

0

Is blending in with the environment always helpful for survival? Why or why not?
CFS:
  • accurately describes the relationship between environmental changes and population numbers
  • describes the cause and effect relationship between environmental factors and species traits

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Amplify Science
Unit 8: Natural Selection

Chapter 1: Environmental Change and Trait Distribution
Lesson 1.5: Adaptive Traits

Environment A:
Goal: Gather evidence to support or refute the claim: Yellow color is always an adaptive trait in a yellow environment.

Do:
  • Open the Natural Selection Simulation and open the mode: Camouflage.
  • Under Biotic Factors: Carnithons, make sure Include Carnithons is selected.
  • Under Abiotic Factors, change the Surface-Color slider to Yellow Level 7.
  • Press RUN and observe ostrilopes with different color traits for 50 generations. You can also refer to the Traits Histogram Window while the Sim is running.
  • After 50 generations, press ANALYZE and compare the color traits in the starting ostrilope population to the population after 50 generations.
Tip:
· Do not change the initial ostrilope distribution of traits.
· Carnithons which hunt ostrilopse are in the environment
0

After 50 generations, press ANALYZE and compare the color traits in the starting ostrilope population to the population after 50 generations.

0

Which ostrilopes were more likely to survive and became more common in the population?

0

Explain what happened to the populations in both environments and why that supports or refutes the claim that yellow color is always an adaptive trait in a yellow environment.
CFS:
  • Provide accurate evidence identifying how environment impacts a species population.
  • Includes accurate evidence to support claim.

Environment B
Goal: Gather evidence to support or refute the claim that yellow color is always an adaptive trait in a yellow environment.

Do:
  • Open the Natural Selection Simulation and open the mode: Camouflage.
  • Under Biotic Factors: Carnithons, do not include Carnithons.
  • Under Abiotic Factors, change the Surface-Color slider to Yellow Level 7.
  • Press RUN and observe ostrilopes with different color traits for 50 generations. You can also refer to the Traits Histogram Window while the Sim is running.
  • After 50 generations, press ANALYZE and compare the color traits in the starting ostrilope population to the population after 50 generations.


· Do not change the initial ostrilope distribution of traits.
· Carnithons which hunt ostrilopse are not in the environment
0

After 50 generations, press ANALYZE and compare the color traits in the starting ostrilope population to the population after 50 generations.

0

Which ostrilopes were more likely to survive and became more common in the population?

0

Explain what happened to the populations in both environments and why that supports or refutes the claim that yellow color is always an adaptive trait in a yellow environment.
CFS:
  • Provide accurate evidence identifying how environment impacts a species population.
  • Includes accurate evidence to support claim.