Atmosphere
A mixture of gases that surrounds a planet or moon.
Hydrosphere
The portion of Earth that is water.
Geosphere
The mostly solid, rocky part of Earth.
Open System
A system in which both matter and energy are exchanged with the surroundings.
Closed System
A system in which energy, but not matter, is exchanged with the surroundings.
Biosphere
The part of Earth where life exists.
core
The central part of the Earth below the mantle
mesosphere
The strong, lower part of the mantle between the asthenosphere and the outer core.
lithosphere
The solid, outer layer of Earth that consists of the crust and the rigid upper part of the mantle.
crust
The thin and solid outermost layer of the Earth above the mantle.
mantle
The layer of rock between the Earth's crust and core.
ecosystem
A community of organisms and their abiotic environment.
carrying capacity
The largest population that an environment can support at any given time.
decomposer
An organism that gets energy by breaking down dead organisms.
consumer
an organism that gets its energy by eating other organisms.
food web
A diagram that shows the feeding relationships among organisms in an ecosystem.
producer
an organism that makes its own food.
moho
The lower boundary of Earth's crust.
energy
a closed system is a system in which the only thing exchanged with the surroundings is?
photosynthesis
the transfer of energy throughout an ecosystem begins with?
transpiration
part of the water cycle described as plants sweat.
Isaac Newton
Who proposed the law of gravitation
oblate spheroid
the shape of earth.
matter
anything that has mass and takes up space.