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Carbon Cycle
Nitrogen Cycle
Water Cycle
Photosynthesis
Population
100
Many modern day systems rely on this, including cars, factories, and power plants.
What are fossil fuels?
100
This is a molecule used to build new cells.
What are proteins?
100
This is the process of liquid to a gas.
What is evaporation?
100
These are energy rich molecules that are used to carry out daily activities.
What are carbohydrates?
100
This is a group of organisms of the same species that live in a specific area.
What is population?
200
This substance is the cause of global warming that humans are responsible for.
What is carbon dioxide?
200
This creature can change the nitrogen in the air into usable chemical compounds.
What are nitrogen-fixing bacteria?
200
This term means suitable for drinking.
What is potable?
200
These animals produce their own food.
What are autotrophs?
200
This is the number of people in a given area.
What is density?
300
This is when carbon is stored in limestone.
What are carbon sinks?
300
Beans, peas, and clover are three examples of this.
What are legumes?
300
This is the upper boundary of an aquifer.
What is the water table?
300
These two materials are needed for photosynthesis.
What are carbon dioxide and water?
300
This is a resource that is required for a species's survival.
What is a limiting resource?
400
The bodies of organisms that died millions of years ago make this up.
What are fossil fuels?
400
These bacteria responsible for breaking down the nitrogen in wastes.
What are decomposers?
400
This is the process of a solid to a gas.
What is sublimation?
400
This is where the production of carbohydrates take place.
What are leaves?
400
This represents exponential growth.
What is a J-curve?
500
This substance makes up the hard parts of bones and shells.
What are carbonates?
500
This is where the nitrogen-fixing bacteria live on plants.
What are nodules?
500
This is the form of designing a landscape so that it requires little water use.
What is xeriscaping?
500
This is the process of breaking down food into energy.
What is cellular respiration?
500
This is a relationship in which two species both provide a benefit to each other.
What is mutualism?