A change in the base subunit sequence during DNA Replication can result in a variation within that organism, also called a mutation.
Answer:
A cell that results from the fusion of sperm and ovum is called a zygote. The process of fusion of sperm and ovum is called fertilization.
An interaction wherein both species are harmed is called competition. They are competing for nutrient/habitat.
B. The amount of waste would build up and the toxins produced would harm the animals and humans
Its called a microscope slide
