Variables
Scientific Method
Vocabulary
Ecology
More Ecology
100
Independent variable
What is the variable you change?
100
The first step in the scientific method
What is the purpose, question or problem?
100
An organism that can make its own food
What is an autotroph or producer?
100
These are living factors in an ecosystem
What are biotic factors?
100
These organisms break down dead organisms so that nutrients can be recycled
What are decomposers?
200
Control
What is a variable that is kept the same?
200
An educated guess
What is the hypothesis?
200
This organism consumes an herbivore
What is a secondary consumer?
200
These are organisms that need to eat for energy
What are consumers or heteotrophs?
200
These organisms are not native to an ecosystem
What are invasive species?
300
The variable you measure
What is the dependent variable?
300
The section where observations are recorded
What is data?
300
Data or observations that are expressed using numbers
What is quantitative?
300
This is what the arrows represent in a food chain
What is energy transfer?
300
This is the number of organisms that can be supported by an ecosystem
What is carrying capacity?
400
The dependent variable in the Whirligi Lab
What is time?
400
Usually the final step in the scientific method
What is the conclusion?
400
Data or observations that are descriptive and do not use numbers
What is qualitative?
400
These organisms consume only animals
What are carnivores?
400
This is the amount of energy that is lost from one trophic level to the next trophic level as heat energy
What is 90%?
500
The independent variable Kaibab Deer Lab.
What are years?
500
This is the step where you will list instructions for carrying out a lab
What is procedure?
500
A group used in an experiment that is used for comparison, no experimenting is done to it
What is a control group?
500
This is the source of all energy in an ecosystem
What is the sun?
500
This describes that job that an organism does in its ecosystem
What is a niche?
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