Water Cycle
All cycles get their energy from the ___
What is sun?
Energy + 6CO2 + 6H2O → C6H12O6 + 6O2
What is photosynthesis?
Matter cannot be created or destroyed
What is the Law of Conservation of Matter?
Phosphorus is found in ____, _____, and _____
What is rock, soil, and sediments?
Plants and animals both need this in their diets.
What is sulfur?
Water that collects as droplets on a cold surface when humid air is in contact with it
What is condensation?
When animals and plants breathe in O2 and release CO2.
What is Respiration?
The last step in the nitrogen cycle
What is denitrification?
Excess nutrients in the water cause an overgrowth of algae and deplete the water of oxygen.
What is eutrophication?
A volcanic eruption is one way sulfur enters the ____ naturally.
What is atmosphere?
A substance can contaminate a body of water through _____
What is runoff?
One of three major reservoirs of carbon
What is the ocean, rocks, or fossil fuels?
____ converts dead organisms and other waste to ammonia or ammonium ions in the nitrogen cycle
What is decomposing bacteria?
In the phosphorus cycle the ____ is not included therefore making the cycle take a long time
What is atmosphere?
Sulfur is also put into the atmosphere by _____
What is industrial processes?
The water beneath the surface of the ground consisting largely of surface water that has seeped down
What is groundwater?
A ____ is an organism that breaks down other organisms or material
What is decomposer?
Heterotrophs obtain nitrogen by _____ plants
What is consuming?
Phosphorus is released through
What is chemical weathering?
Plants absorb sulfur through their ____ from water
What is roots?
When water is returned to the atmosphere in the water cycle from both the earth’s surface and living organisms, ____ will occur.
What is transpiration?
Carbon is locked through the ____
What is food chain?
In order for nitrogen to be usable for most living organisms it has to be in the form of ____ or _____
What is ammonia or nitrates?
Humans have mined phosphorus to make
What is fertilizer?
Sulfur helps make up ____ and ____ so plants and animals get what they need in their diets
What is proteins and vitamins?