Water Cycle
Water falling to the earth from condensed clouds is known as what?
What is precipitation.
Why is atmospheric nitrogen unavailable to plants and animals?
What is "N2 has three bonds that have to be broken by bacteria or lighting (fixation) to be converted into a usable form for plants ".
What do decomposers do to matter?
What is "bacteria breaks down matter into a usable form".
The majority of the phosphorus in the world is stored in what?
What is rocks.
What do plants make with the carbon dioxide from the atmosphere?
What is food (glucose/sugar).
What is water seeping into the ground?
What is infiltration.
Who "fixes" the nitrogen into a form that we can use?
What is bacteria (either in the soil or in the roots of legumes).
What does nutrient cycling do in the biosphere?
What is recycle nutrients.
Phosphorus is used to form ATP an energy molecule and what else?
What is forming DNA and cell membranes.
Name two ways that carbon is released into the atmosphere.
What is cellular respiration and burning of fossil fuels.
What step returns water to the atmosphere from lakes and oceans.
What is evaporation.
Animals get most of the nitrogen they need by what?
What is "consuming plants or other animals that have the nitrogen".
The amount of nutrients (such as carbon, nitrogen, and phosphorus) within an ecosystem is known as what?
What is nutrient availability.
What must happens to rocks in order for plants to absorb the phosphorus within them?
What is weathering of rocks puts phosphorus into soil.
Humans have contributed more carbon to the carbon cycle by doing what?
What is burning fossil fuels.
Which process within the water cycle is considered "biological"?
What is transpiration.
Planting legumes in a crop field will do what to the soil?
What is "increase nitrogen in the soil".
What is needed for photosynthesis to occur?
What is needed for photosynthesis requires sunlight energy, CO2,and water to produce food.
Herbivores and carnivores obtain phosphorus by doing what?
What is "consuming plants and/or animals that have phosphorus".
How do herbivores and carnivores get the carbon that they need?
What is "by consuming plants and/or animals that have carbon".
What is "transpiration"?
What is "when water moves from plant leaves to the atmosphere".
Nitrogen is used in the body to make what?
What is DNA, RNA and proteins.
What method does nitrogen and phosphorus enter plants?
What is nutrients are dissolved in water and enter the plant through the roots.
How is phosphorus from plants and animals is returned to the soil?
What is breaking down matter by decomposers.
How does carbon enter producers?
What is through the stomata.