Biology Report - Effect of Environment on Phenotype

The first 200 words of this essay...

REPORT - THE EFFECT OF ENVIRONMENT ON PHENOTYPE

Ruby Mitchell

EXPERIMENTAL DESIGN

HYPOTHESIS 1

AIM 1

METHOD 1-2

VARIABLES 2-3

RESULTS

DATA COLLECTED 4-7

CONCLUSION

RELIABILITY AND VALIDILITY 8

INTRODUCTION:

The phenotypes of many flowering plants that share a common genotype, are often affected by their environment. Phenotypes result from the expression of an organism's genes as well as the influence of environmental factors. By altering a particular feature of the environment in a controlled situation it is possible to demonstrate this concept. I have chosen to observe the effect of the alteration of a pH on a plants phenotype. A perennial geranium plant was used for this investigation, as it is fast growing, and ideal for cuttings. The pH was altered between cuttings of the same genotype, and a change in phenotype was measured according to root growth.

AIM:

To demonstrate how the alteration of a plants pH, or environment, will cause changes in the phenotype of that organism.

HYPOTHESIS:

The alteration of pH in the plant's environment will result in the variation of root growth. PH affects plant