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

ecosystem(s) – n. everything that exists in a particular environment

cannibalistic – adj. describing a creature that is willing to eat the flesh of others of its own species

monster(s) – n. a strange or horrible imaginary creature

evolution – n. a theory that the differences between modern plants and animals are because of changes that happened by a natural process over a very long time

cognitive – adj. of, relating to, or involving conscious mental activities, such as thinking, understanding, learning, and remembering

cue(s) – n. something that indicates the nature of what you are seeing or hearing