Organism Interaction in Ecosystems
A self-contained living thing
Organism
A living thing that influences or affects an ecosystem.
Biotic Factor
Replaceable by natural means in a short period of time
Renewable
Everything that exists is made of matter. What is matter?
Matter is anything that has volume or mass.
A system comprising all the biotic and abiotic factors in an area and the interactions among them.
Ecosystem
A non-living condition or thing that influences the ecosystem and organisms in it.
Abiotic Factor
Not replaceable by natural means within a short period of time.
Non-Renewable
The smallest particle of an element.
Atom
A group of interacting individuals of the same species located in the same area.
Population
When more than one type of organism in an ecosystem relies on the same limited resources
Competition
Resources that exist in the environment without human intervention are called
Natural Resources
Two or more atoms joined together by chemical bonds
Molecule
A source or supply that benefits organisms.
Resource
When an organism depends on a factor for survival.
Dependent Interaction
The sum of all living matter on Earth.
Biosphere
A new substance with unique chemical and physical properties formed when 2+ elements are chemically bonded
Compound
Relationships between an organism and abiotic factors
Environmental Interactions
Something an organism needs to survive, but there is only so much of it. When it's gone, it's gone.
Limited Resource
A source or supply of energy that can be used to generate electric power to meet people's needs.
Energy Resource
A single substance with definite composition and properties.
Pure Substance