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Ecological organization and Biomes
Trophic Levels
Organism interactions and populations
Biogeochemical Cycles
Succession and Threats to Biodiversity
100
What is ecology?
study of interactions between different organisms in an Ecosystem.
100
What makes up the first level in a food web?
Producers.
100
Both species benefit from the relationship is called what?
A mutualism.
100
Carbon dioxide is stored in...
photosynthesis and decay
100
What is succession?
The replacement of community ecosystems over time.
200
What are examples of Abiotic factors?
Air, heat, precipitation and sunlight.
200
Another name for producers is...
Autotrophs
200
When organisms try to use the same resource it is...
A competition.
200
Carbon Dioxide is released in what?
cellular respiration, erosion, geologic activity and burning forests.
200
The _____ community is the last plant community when area has reached equilibrium.
climax
300
What is both abiotic and biotic?
soil
300
What do ecological pyramids show?
The relative amount of energy contained within each trophic level in a given food web.
300
What is carrying capacity?
The largest population that can be supported in an area with out harming the environment.
300
What helps nitrogen gas convert into a form of nitrogen that other things can use?
nitrogen-fixing bacteria.
300
A glacier recedes and uncovers an area of bare rock is an example of...???
Primary Succession.
400
What is hot and wet year round?
tropical rain forest.
400
What is another name for the third level consumer?
Tertiary Consumers.
400
What are four population growth factors?
birth rate, death rate, immigration, and emigration.
400
condensation is?
changing of gas to liquid and is crucial for the formation of clouds.
400
A fire or flood destroys an area and then succession allows the communities to be replaced is?
secondary succession.
500
What is the relationship between a population and a community?
A population is of 1 species; a community is of many populations. Which means many species.
500
On average how much percent of energy available within a trophic level is transferred to the next?
10%
500
A tick living on a deer is an example of...
parasitism.
500
What is surface runoff?
When no more water can be absorbed into the ground, and gravity pulls it downhill.
500
What are the 4 factors of biodiversity?
nonnative species, agricultural runoff, atmosphere and climate change, and habitat destruction.