Answer:
This is a very well written essay if I do say so myself I think your teacher will enjoy reading it cause I know I did... And I hope your teacher is proud because not many people walk away from a class with the amount of information by which you have attained you did great :)
Explanation:
B is prey predator
C is parasitism
A is commensalism
What makes plants special is that they produce their own food. Leaves capture the sunlight in order to do this. They contain a pigment called chlorophyll, which makes the leaves green. Using carbon dioxide, water, nutrients, and energy from sunlight, the chlorophyll makes the food that the plant needs.
About 60% of natural conceptions fail to implant properly. One of the reasons may be the failure of the embryo to generate Trypsin, a chemical which induces a receptive environment in the uterus in order for the fetus to be implanted. The excess or lack of chromosomes of the fertilized egg may also be a factor in implantation failure. A weak immune system of the woman may also be an important factor.