The answer is D. Zygote. A zygote is formed by the fertilization of an egg by a sperm. A gamete is what we refer to an egg or sperm as. Fertilization is what we call when a sperm and an egg come together, but it is not the product of the two.
Forests are only renewable as long as careful planning is done to determine how many trees to cut and to nake sure new trees are planted to replace them.
