Adaptations
Water Cycle
Nitrogen Cycle
Carbon Dioxide-Oxygen Cycle
Nitrogen and Carbon Cycle
100
This allows organisms to survive
What is an adaptation?.
100
How do plants return water vapor to the environment
What is transpiration
100
What are two ways nitrogen gets fixed?
What is lightning and nitrogen fixing bacteria
100
What three things do plants use to make their food?
What is Carbon Dioxide, water and sunlight
100

The atomic symbol for nitrogen.

What is N?

200
An internal timer that helps organisms keep track of natural cycles
What is a biological clock.
200
The process that the sun heats surface water to vapor
What is evaporation
200
What is the nitrogen called that is usable?
What is nitrogen compound?
200
Animals would have used up all the available oxygen in the atmosphere if not for the activities of what?
What is plants
200

The atomic symbol for carbon?

What is C?

300
Am organism that is most active at night
What is a nocturnal organism?
300
What two things can happen to water when it returns to Earth ?
What is run-off and ground water
300
What do nitrogen fixing bacteria do?
What is make free nitrogen usable into nitrogen compounds
300
What is respiration
What is the process consumers use Oxygen to release energy from their food
300

The process of converting atmospheric nitrogen into ammonia. Think "fixing it".

What is nitrogen fixation?

400

Bears and chipmunks use this adaptation during the winter when it gets cold.

Hibernation happens during winter

400
How much of the earth's surface is covered with water?
What is2/3
400
What are the two types of bacteria in the nitrogen cycle?
What is nitrogen fixing bacteria and decomposing bacteria?
400
What is photosynthesis
What is the process that plants use to make glucose using water, sunlight and carbon dioxide.
400

Carbon dioxide re-enter the atmosphere after carbon is consumed by animals. The opposite of photosynthesis.

What is respiration?

500
What would happen if there were no adaptations
Organisms would not survive. Food webs might be different.
500

What are the 3 steps of the water cycle?

What is evaporation, condensation, & precipitation

500
What would happen in the nitrogen cycle if there were no decomposers?
What is all the nitrogen compounds would be trapped in the organisms. Cycle would end!
500
Carbon Dioxide and Oxygen must be exchanged and cycled because
Without this cycle producers and consumers could not get their energy and continue.
500
Secondary succession occurs when
What is succession that occurs where an ecosystem is already in place but there have been changes.
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