Ecology
is the scientific discipline in which the relationships among living organisms
Ecology
The lowest level of organization
organism
An area where an organism lives
Habitat
Scientific inquiry begins with
Observation
This group is used in an experiment for comparison
Control Group
The word ecology was first introduced by Ernest Haeckel in what year?
1866
Ecosystem
The role or position that an organism has in its environment
Niche
Biologists all use similar methods to gather information and to answer questions. This method is called
The Scientific Method
A factor that remains fixed during an experiment while the independent and dependent variables change
Constant
is the portion of Earth that supports life
Biosphere
This level is a large group or ecosystems that share the same climate and have similar types of communities.
Biome
The act of one organism pursuing and consuming another organism for food is
Predation
An educated guess
Hypothesis
When scientists design a controlled experiment, only one factor can change at a time. That factor is called
Independent Variable
The living factors in an organism's environment are called
Biotic Factors
This level is a group of interacting populations that occupy the same geographic area at the same time.
Biological Community
The close relationship that exists when two or more species live together
Symbiosis
An explanation of a natural pheonomenon supported by many observations and experiments over time.
Theory
This system uses units with divisions that are powers of ten
Metric System
Abiotic Factors
This level is a group of organisms of the same species that interbreed and live in the same place at the same time
Population
The relationship between two or more organisms that live closely together and benefits from each other
Mutualism
The process of combining what you know with what you have learned to draw logical conclusions is called inferring, the conclusions themselves are called
Inferences
This group is exposed to the factor being tested
Experimental Group