Carbon Cycle
Nitrogen cycle
Hydraulic Cycle
Vocab
Miscellaneous
100

What is the main element in the Carbon cycle?

What is carbon dioxide?

100

What involves the conversion of gaseous nitrogen to ammonia?

What is nitrogen fixation?

100

What continuously circulates from the ocean to the atmosphere to the land and back to the ocean in the hydraulic cycle?

What is water?

100

What is the study of how living organisms and the physical environment interact in an immense web of relationships?

What is ecology?

100

Who developed ecology?

Who is Ernst Haeckel?

200

Plants release carbon dioxide into the air through what process?

What is photosynthesis?

200

What is the conversion of ammonia to nitrate?

What is nitrification?

200

Water moves from the atmosphere to the land and ocean in the form of what?

What is precipitation?

200

What are environmental factors involving living organisms?

What are biotic factors?

200

Which term is more inclusive ecosystem or community?

What is an ecosystem?

300

Carbon dioxide is returned to the atmosphere by what process?

What is respiration?

300

Roots absorb either nitrate or ammonia and then incorporate the nitrogen in these molecules to plant proteins and nucleic acids during what process?

What is assimilation?

300

Where do clouds form when water evaporates and it eventually condenses?

What is the atmosphere?

300

What are members of the same species that live in a prescribed area at the same time called?

What are populations?

300

What includes interactions between organisms an their physical environment?

What is an ecosystem?

400

Combustion occurs and molecules rapidly oxidize to form what?

What is carbon dioxide?

400

What is the conversion of biological nitrogen compounds to ammonia called?

What is ammonification?

400

What is the loss of water vapor from land plants?

What is Transpiration?

400

What includes all of Earth’s organisms?

What is the biosphere?

400

What uses the tissues of other plant and animal organisms as a source of food energy?

What are consumers?

500

Proteins, carbohydrates , and other organic molecules that are essential to life contain what?

What is carbon?

500

What is the reduction of nitrate to gaseous nitrogen called?

What is dentrification?

500

Water seeps down into the soil to form what?

What is groundwater?

500

What is an organisms role within the structure of the community?

What is an ecological niche?

500

What occurs when two or more individuals require a resource at the same time?

What is competition?