RT 3. LONGER QUESTIONS (11 POINTS EACH . You are a field biologist interested in

Question

RT 3. LONGER QUESTIONS (11 POINTS EACH . You are a field biologist interested in demonstrating evolution in a population of crickets that you have studied for two years. During that time, the average mass of individuals (a quantitative trait) has increased (see your data graphed below). Present graphs of other two other data sets you could collect that will convince others that the changes you have observed are the result of evolution by natural selection. With each graph, write a sentence or two that explains 125 100 what it ilustrates. 75 50 25 14 , 16 18 20 cricket mass (grams) tim over tin) , ma

Explanation / Answer

The X-axis of the graph shows the cricket mass while the y-axis shows the population of crickets.

The first data set indicated that the average mass of the crickets against the number of crickets (100) is 17.5grams. The second data set indicated that the average mass of the crickets (100) is 19.5grams.

There is an increase of 2.0 grams of average mass of crickets over the period of 2 years.

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