The outer layer of earth where plants grow

Biological matter in the process of decaying or decomposing, such as humus

The action or process of making a copy of something

A large open area of grassland with very few trees

All the organisms of a particular species that live in a specific geographic area

A flowering plant's unit of reproduction with the capability of producing another plant of the same kind

A forest characterized by high or continuous rainfall

The surroundings or condition in which a person, animal, or plant lives or operates

A group that shares something in common

An animal that feeds on plants

An animal that feeds mostly on meat

An animal that feeds on both animals and plants

A specialized system within another system

An animal that is hunted and killed by another animal

A large naturally occurring community of flora and fauna that occupy an environment

An act of imitating someone or something in order to deceive an enemy or threat

To hide or disguise the presence of a person, animal, or object

A natural home or environment of a plant for animal

The interaction between two different organisms living in physical association with the act of mutual benefit

On or relating to the earth