Carbon Cycle
When humans burn fossil fuels, most of the carbon quickly enters the ______ as carbon dioxide.
Atmosphere
What produces water vapor from plants?
Transpiration
Are humans at the top of the food chain?
Yes.
Why do living things need nitrogen?
To make protein.
What inorganic molecule is carbon normally found in?
Carbon dioxide.
What are the major processes of Water Cycle?
Evaporation, Condensation, and Precipitation.
What does a producer get it's energy from?
The sun.
What organisms need nitrogen to survive?
All living organisms.
What process adds carbon to the atmosphere?
Respiration.
What does Evaporation change water to?
Water Vapor.
Is a frog a secondary or primary consumer?
Secondary.
How much of the atmosphere is composed of nitrogen gas?
78%
What do producers produce?
Glucose (carbohydrates)
How do plants take is water?
Through their roots.
What is the process where plants create food from sunlight called?
Photosynthesis
TRUE OR FALSE: Plants and animals cannot use nitrogen directly from the air.
True
How does carbon get back into the atmosphere from the food we eat?
Cellular Respiration.
What is the source of all fresh water on the earth's atmosphere? In order words, where does all fresh water come from?
Precipitation.
True or false: a decomposer can break down any dead matter?
False, only plant and animal matter.
After plants and animals contain nitrogen, what puts it back into atmosphere and soil?
Decomposition.