Succession
On this surface, primary succession begins
bare rock
Why must nitrogen be "fixed"?
the N2 gas in the air is not in a form that is usable by plants
What are ecosystem services?
The benefits humans receive from nature.
What category of ecosystem service does this fall under?
The Ganges (important Indian body of water) for spiritual cleansing, sending off lost loved ones, and more.
Cultural
Phosphorous cycles through the atmosphere.
True or False?
False!
Only nutrient that does not
This important factor present initially in this succession, different from primary
soil
How does nitrogen fixation occur?
nitrogen-fixing bacteria (and lightening?)
What are the four categories ecosystem services can fall under?
Provisioning
Cultural
Regulating
Supporting
What category of ecosystem service does this fall under?
Bees, bats, birds, and beetles are pollinators.
Regulating
Phosphorous enters an ecosystem by
Weathering of sedimentary rocks
These two are pioneers to the primary process X 2
lichens and mosses
Why is nitrogen so important?
It is used to make amino acids, and ultimately proteins
What category of ecosystem service does this fall under?
Lumber
Provisioning
What category of ecosystem service does this fall under?
Camping and hiking
Cultural
How do plants obtain phosphorous?
absorb through roots (in water or soil)
This diverse community is a result of succession being complete
climax community
By what process does nitrogen enter plants from the soil?
Assimiliation
What category of ecosystem service does this fall under?
Mushrooms help decay organic material.
Regulating
What TWO categories of ecosystem service does this fall under?
Fishing
- provisioning
- cultural
How do animals consume Phosphorous?
They eat plants
A bulldozer completely cleans 5 acres of all plants. _______________ succession will occur next.
Secondary
Nitrogen Fixation turns N2 into what two substances?
Ammonium and Ammonia
What category of ecosystem service does this fall under?
There are 5 types of squirrel in North America.
Supporting
What category of ecosystem service is provided by:
- Mangroves (forest along coast)
- Coral and Seagrasses.
Regulating
- protection against coastal erosion
- protects coast from weather events
How have humans drastically altered the carbon cycle?
burning fossil fuels which releases carbon dioxide