D Question 1 Time Elaps Attempt due 4 Minutes 3 pts Suppose that each line repre

Question

D Question 1 Time Elaps Attempt due 4 Minutes 3 pts Suppose that each line represents the growth of four different clones of an algae in different environments. You're interested in knowing to what extent algal growth rates come from g differences among clones versus differences in their environments, so you conduct a common garden experiment. The data are on the plots below, with the X-axis representing a gradient of salt concentration in water (0- fresh, 1 - full seawater) and the Y-axis the growth rate of the clone (mm/ month). Which plot shows a significant effect for genetic differences but not environment? 2 2 04 os os 10 0 02 04 06 08 10 0.0 02 04 0.6 0.8 10 Environment O Plot 3 O Plot 2 O Plot 1

Explanation / Answer

QUESTION 2) the correct option seems to be Plot 1, since all the clones shows different growth rate but are unaffected by the increased concentration of salt, helce a straight line.

QUESTION 3) The correct answer is Reproductive Isolation, since The mechanisms of reproductive isolation are a collection of evolutionary mechanisms, behaviors and physiological processes critical for speciation. They prevent members of different species from producing offspring, or ensure that any offspring are sterile. And hence is a requirement for SPECIE FORMATION.

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