d. It is twice more fast than sexual reproduction 5. It is a method of asexual reproduction that occurs when a parent animal divides itself into two a. Binary Fission C. Budding b. Binary Fusion d. Birthing 6. This process happens when the sperm cells are released into the body of the female and become fertilized. a. internal fertilization c. gestation b. extemal fertilization d. incubation​