1.3 bio

Question 1

step 1

Answer 1

Come up with a specific reason that explains the phenomena.

Question 2

step 2

Answer 2

Write a testable statement

Question 3

independent VS dependent variable

Answer 3

Independent variables influence/effect the dependent variable

Question 4

1. Search the literature

Answer 4

Prior to conducting experiment, I conducted literature search regarding the response of plants to the hormone gibberellin.

Question 5

2. State your hypothesis

Answer 5

I hypothesize that the application of gibberellin will
cause cell elongation and increased height in dwarf pea
plants.

Question 6

3. manipulate variable

Answer 6

One group of 5 dwarf pea plants received a spray of 500
ppm gibberellin while the other group of 5 dwarf pea
plants was sprayed with the solvent water.

Question 7

Hold constant all other variables

Answer 7

Both groups of plants (experimental and control group)
were exposed to the same intensity of light for the
same duration each day.

Question 8

5. Identify control group (point of reference)

Answer 8

The group of 5 dwarf pea plants, sprayed with the
solvent water, served as the control group.

Question 9

6. Make quantitative measurements

Answer 9

A ruler was used to measure the heights of both control
and experimental plants at intervals of three days for a
month following the spraying of both groups.

Question 10

7.Verify experimental results

Answer 10

The experiment was completed 3 times to verify/confirm results.

Question 11

8. Statistically analyze results

Answer 11

The results from the three trials were averaged.

Question 12

9. Relate expected results to the hypothesis.

Answer 12

If the plants sprayed with gibberellin experienced
greater growth over the thirty day experimental period
the null hypothesis would be rejected