Hypothesis
Prediction that can be tested
dependent variable
A factor that is measured or observed.It is affected by the independent variable.
community
different populations of organisms in one place
Efficiency of energy flow through ecosystems
how much energy is transferred from one thing to another
habitat fragmentation
A big habitat broken down into smaller ones
Theory
well tested explanation of observations and data
Scientific method
A step by step process used to investigate questions
niche
role of a species for its environment
commensalism
where one organism benefits another organism without harm
predator is the hunter prey is the hunted
Data
Control group
Does not receive the treatment
population
The amount of organisms in one place
mutalism
where both animals benefit each other (bees and flowers)
Atom
smallest unit of element
Bias
Something that can affect the results of a study
experimental group
The group that receives the treatment
food chain
It shows which animal eats animal(bear eats deer)
parasite
one organism living on another organism while being harmed
subatomic particles
smaller than an atom
Independent variable
A factor that is changed
habitat
A place where an organism lives
food web
more complex network than a food chain
decomposers
organisms that break down other dead organisms
chemical formula
a mathematical relationship or rule expressed in symbols.