The mostly solid, rocky part of the Earth; extends from the center of the core to the surface of the crust
The movement of phosphorous through each of the Earth cycles EXCEPT the atmosphere
The solid, outer layer of Earth that consists of the crust and the rigid upper part of the mantle
A system in which both energy and matter are exchanged with the surroundings
The part of Earth where life exists; includes all of the living organisms on Earth
A set of particles or interacting components considered to be a distinct physical entity for the purpose of study
The sequence in which organisms consume other organisms
Literally, the "middle sphere"; the strong, lower part of the mantle between the asthenosphere and the outer core
The solid, plastic layer of the mantle beneath the lithosphere; made of mantle rock that flows very slowly, which allows tectonic plates to move on top of it
The area around the outside of Earth where Earth's magnetic field extends
A mixture of gases that surrounds a planet, moon, or other celestial body
The movement of nitrogen through the environment
Nonliving parts of the environment
Consumers who get their energy by breaking down dead organisms
Anything that has mass and takes up space
A group of processes in which matter repeatedly moves through a series of reservoirs
The study of complex relationships between living things and their nonliving environment
The central part of the Earth below the mantle