transmit – v. to cause a virus of disease to be given to others

offspring – n. the child of a person or animal

potential – n. qualities or abilities that may develop and permit someone or something to succeed

predator – n. animal that hunts and kills other animals for food

ecosystem – n. a biological community of interacting organisms and their physical environment

species – n. a group of animals or plants that are similar and can produce young animals or plants

beforehand – adv. before a particular time or event

option – n. a choice