Step 4: Measure the Heights of the plants at the End of Week 1

cm

55

50

Use a calculator to compute

the average heights of the

plants in each group to the

nearest centimeter

Week 1 Average Height

х

Control Group: 14

=9 cm

Exper. Group: 10

х

8 cm

COMPLETE

Difference

cm

5

6

6

DONE

3 4

Control Group

1 2 3 4 5

Experimental Group

Intro

Asmall number of finches are removed randomly from the wild and placed in a protected bird area. they are given as much food as they need and have plenty of space. why would natural selection not occur in this population? a. there is no reason for genetic mutation to occur. b. the birds compete for limited resources, c. the population has not reached carrying capacity. d. there is no genetic variation in the finches.

Match the types of competition to their descriptions

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?