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12 Cards in this Set

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  • Back
What is ecosystem? What factors are included in ecosystem?
An ecosystem is a particular environment and all the living things that are supported by it.

It includes biotic and abiotic factors.
What is biotic factor means? What are some examples of biotic factor?
Biotic factor means living parts.
Some examples of biotic factors are: Plants
Animals
Other Organisms
What is abiotic factor? What are some examples of abiotic factors?
Abiotic factor means nonliving parts. Some examples of abiotic factors are: Air
Water
Temperature
Light
Soil
True of False:
The size of soil particles affects how much waterthe soil can hold.
True
The size of soil particles affects how much waterthe soil can hold.
The carbon cycle doesn't moves carbon through Earth's atmosphere and ecosystems.
False
The carbon cycle moves carbon through Earth's atmosphere and ecosystems.
What are three movements of the water through enviroment in water cycle.
Vapor
Liquid
Solid
True or False:
Nitrogen is an element important to life that cycles through Earth in the nitrogen cycle.
True
Nitrogen is an element important to life that cycles through Earth in the nitrogen cycle.
Can plants and animals use pure nitrogen gas.
No, plants and animals cannot use pure nitrogen gas.It must first be fixed into usable form
What is one example of fixing the nitrogen?
Lighting can fix nitrogen, allowing nitrogen to combine with oxygen to form NO³.
What happens after the lighting fixes the nitrogen gas?
NO³ enters the soil and is absorbed into plants through the roots. The plant then uses the nitrogen to form other compunds.
What happens after the N² enters the soil?
Some plants have special root nodules, like the soybean plant. Bacteria is the root nodules fix N², allowing ntirogen to form other compounds. The plant can now use the nitrogen.
How do animals get nitrogen?
Animals eat the plant to get nitrogen they can use.