Select the word that best matches each definition.
This is a relationship in which both organisms benefit. ++
This is a relationship in which one organism benefits and the other is harmed but not initially killed. +-
This word describes a forest consisting mainly of conifers or cone bearing trees.
This word means a close, long-term association between two or more species.
This is a relationship in which one organism benefits and the other is unaffected. +0
This is the name of the organism that naturally hunts, kills, and eats others.
This word describes an organism that benefits by harming another organism.
This word describes a biome which is characterized by trees that lose their leaves during the fall and grow new ones in the spring.
This is an organism that is caught and killed by an animal for food.
This word describes an organism that is harmed in a relationship.