These two students are trying to make a experiment on these pigs they are raising. The reason why it is more like to attract the scientific method is because the steps were doing were based on it. (For example, they both might form a question and try different types of things to raise a pig)
Layer D would be the oldest form of undisturbed rock. This would mean that since it is the oldest, it will be <em>least</em> similar to the present day form of that organism.
The key factor in determining the habitable zone of a planet is looking for a Earth-like planet that is able to have water on it's surface, and make sure that it can still give or support life.
This results in a third phenotype in which the expressed physical trait is a combination of the phenotypes of both alleles.
Explanation:
an example is like if a red and white flower create another flower the flower will be pink because both alleles are dominant and will be phenotypically expressed.
