Material from living organisms, composed of a mixture of organic molecules containing hydrogen, carbon, often nitrogen, and some other atoms.

A container for piles of biomass to promote decomposition and decay resulting in a recyclable fertilizer

Organisms such as bacteria and fungi that break down dead organisms and organic wastes

The movement of carbon from the nonliving environment into living things and back.

The movement of nitrogen from the nonliving environment into living things and back

The movement of water through the atmosphere, the ground, bodies of water, and living things; the continuous movement of water above, on, and below Earth's surface.

An organism like the earthworm that feeds on the decaying matter after it has been broken down by decomposers.

Organisms that eat producers or other consumers to obtain energy

Bacteria are important decomposers; they are widely distributed and can break down any kind of organic matter. They also fix nitrogen into nitrates for plant nutrients.

The primary decomposer of letter in many ecosystems.fungi grow a branching network which can penetrate and break down larger pieces of organic matter.

Thermal energy (heat energy) is released when respiration or decomposition occurs.

Enters leaves of plants and is used in the photosynthesis process; exhaled by animals as waste from respiration

A compound that contains organic carbon and other atoms, usually oxygen, hydrogen, nitrogen, phosphorus, and/or sulfur.

An organism too small to be seen by the unaided human eye, such as bacteria and fungi

A measurement of the mass of something when completely dried

Terrestrial Biosphere

A collective term for all living organisms on land

All the waters on Earth's surface, such as lakes and seas

The transport of oxygen form the outside air to the cells within tissues and the transport of carbon dioxide in the opposite direction.

An odorless, colorless, flammable gas, CH4, the major constituent of natural gas and one of the simplest organic compound.

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2 Cycling of Matter

Unit 2 - 7.5b Cycling of Matter Vocabulary Cards

Term	Definition
Biomass	Material from living organisms, composed of a mixture of organic molecules containing hydrogen, carbon, often nitrogen, and some other atoms.
Compost Bin	A container for piles of biomass to promote decomposition and decay resulting in a recyclable fertilizer
Decomposers	Organisms such as bacteria and fungi that break down dead organisms and organic wastes
Decay	To break down or decompose
Carbon Cycle	The movement of carbon from the nonliving environment into living things and back.
Nitrogen Cycle	The movement of nitrogen from the nonliving environment into living things and back
Water Cycle	The movement of water through the atmosphere, the ground, bodies of water, and living things; the continuous movement of water above, on, and below Earth's surface.
Detrivores	An organism like the earthworm that feeds on the decaying matter after it has been broken down by decomposers.
Consumers	Organisms that eat producers or other consumers to obtain energy
Bacteria	Bacteria are important decomposers; they are widely distributed and can break down any kind of organic matter. They also fix nitrogen into nitrates for plant nutrients.
Fungi	The primary decomposer of letter in many ecosystems.fungi grow a branching network which can penetrate and break down larger pieces of organic matter.
Thermal Energy	Thermal energy (heat energy) is released when respiration or decomposition occurs.
Carbon Dioxide	Enters leaves of plants and is used in the photosynthesis process; exhaled by animals as waste from respiration
Organic Compounds	A compound that contains organic carbon and other atoms, usually oxygen, hydrogen, nitrogen, phosphorus, and/or sulfur.
Microorganism	An organism too small to be seen by the unaided human eye, such as bacteria and fungi
Dry Weight	A measurement of the mass of something when completely dried
Terrestrial Biosphere	A collective term for all living organisms on land
Hydrosphere	All the waters on Earth's surface, such as lakes and seas
Respiration	The transport of oxygen form the outside air to the cells within tissues and the transport of carbon dioxide in the opposite direction.
Methane	An odorless, colorless, flammable gas, CH4, the major constituent of natural gas and one of the simplest organic compound.

Created by: AMS SCIENCE

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