Unit 8: Natural Selection
Chapter 1: Environmental Change and Trait Distribution
Lesson 1.5: Adaptive Traits
Goal: Gather evidence to support or refute the claim: Yellow color is always an adaptive trait in a yellow environment.
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.
· Do not change the initial ostrilope distribution of traits.
· Carnithons which hunt ostrilopse are in the environment