Session 1
Session 2
Session 3
Session 4
Any session
100
What is ecology?
Study of how forms on earth interact with the environment.
100
Where does energy in the planet come from?
The sun
100
In how many directions does energy flow?
1
100
What is growth rate determined by?
Birth and death rate
100
Has the number of people increased or decreased in the last years?
Increased
200
About how long has ecology been a science?
A century
200
What is a food chain?
The path energy takes as it moves through the system.
200
Where does a carbon atom cycle through? Name 1 place
Carbon dioxide, calcium, carbonate, organic molecules
200
What is immigration?
Movement of individuals into a population
200
What does aerobic respiration require?
Oxygen
300
Name 2 things a hierarchy includes
Cells, tissues, organs, organ systems, and organisms
300
What is a food web?
Many food chains connected in a web.
300
What is water's main reservoir?
The ocean
300
What is emigration?
Species leaving a population
300
Does phosphates limit or expand plant growth?
Limit
400
What is a population?
Group of individuals of one kind.
400
What are green plants called?
Producers
400
About how much of the atmosphere is nitrogen?
Answer should be between 70 and 90% exact answer is 79%.
400
What is exponential growth?
Growth without limits
400
How much % of water is in ice, soil, and organisms?
2%
500
Define community
All populations living together in a geographical area.
500
What does photosynthesis require?
The sun's energy.
500
What can biochemical cycles be?
Gaseous or sedimentary
500
What are all populations controlled by?
Limiting factors
500
What is a buffer?
Substance that neutralizes excess acid while minimizing change
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