Components
Energy Flow
Biogeochemical Cycles
Cycle Diagrams 1
Cycle Diagrams 2
100
What does a primary consumer eat?
Producers
100
What is the ultimate source of energy for the ecosystems here on earth?
the SUN
100
The pathways by which chemicals circulate through ecosystems.
biogeochemical cycles
100
What is labeled B below?
photosynthesis
100
What is labeled G below?
ice
200
What does a secondary consumer eat?
Primary Consumer
200
Diagram that shows a single path of energy flow through and ecosystem.
food chain
200
How do nutrients move through ecosystems? In particular the biotic parts of the ecosystems?
Food chains or webs.
Something eats something else that eats that.
200
What is labeled H below?
fossil fuels
200
What is labeled C below?
aquifer
300
How does a producer get energy?
Photosynthesis
300
The amount of energy lost when it passes from one trophic level to the next.
90%
300
What is the only cycle that does not include the atmosphere?
Phosphorus Cycle
300
What is labeled G below?
Nitrogen fixing bacteria in root nodules of legumes
300
What is labeled F below?
Phosphate in soil
400
Name the three levels of consumers found in an ecosystem:
primary, secondary, and tertiary
400
Term for all the organisms that feed at a particular link in a food chain:
trophic level
400
The name of the cycle that involves bacteria as a major player. The bacteria converts the nutrient to a useable form of the nutrient in the soil.
Nitrogen.
400
What is labeled E below?
Nitrifying bacteria
400
What is labeled B below?
phosphate mining
500
The name of the layer of the atmosphere where weather and life take place.
Troposphere
500
Only 10% of the energy moves to the next trophic level. What is done with the remainder of the energy?
Must list 2 reasons.
Growth, Movement, Cellular Respiration, Digestion, Reproduction, Repairing Cells...everything that organisms need to live.
500
The reservoirs or storage for each of the four cycles would be.....
Water: Aquifer
Nitrogen: Soil
Phosphorus: Marine Sediment, Rock
Carbon: Atmosphere
500
What is labeled D below?
denitrifying bacteria
500
What is the correct movement of Carbon and Oxygen between Cellular Respiration and Photosynthesis?
Which one would have an arrow showing Carbon Dioxide moving towards it?
Which one would have an arrow showing Oxygen moving towards it?
Photosynthesis would have Carbon Dioxide moving towards it.
Cellular Respiration would have Oxygen moving towards it.