Food webs
Organisms that eat producers.
What are primary consumers?
10%
How much energy is passed on to the next trophic level?
evaporation off of the leaves of plants.
what is transpiration?
Nitrogen and phosphorus
What elements are involved with eutrophication?
Bacteria and Fungi
It is lost due to metabolic processes and heat.
What happens to 90% of the energy consumed by an organism?
Photosynthesis, Cellular Respiration, Burning fossil fuels
what are 3 ways carbon is cycled through our biosphere?
WILD CARD- FREE POINTS!!
They create their own food.
What is an autotroph?
This is the trophic level with the most energy in the ecosystem.
What are producers?
The only cycle that does not have an atmospheric component.
What is the phosphorus cycle?
The population increases.
What happens to the algae population?
They represent the flow of energy in the direction that it is moving
What do the arrows represent in a food web?
If a producer level starts with 10,000 kcal of energy, this is the amount of energy a secondary consumer would receive.
What is 100 kcal?
when atmospheric nitrogen is turned into ammonia.
what is nitrogen fixation?
When there is no oxygen present.
When does the water become anoxic?
producers decrease and secondary consumers increase as a temporary change
How is the food web affected by an increase in primary consumers?
If a producer level starts with 3602 kcal of energy, this is the amount of energy a tertiary consumer would receive.
What is 3.602 kcal?
How is the water cycle affected by the clearing of vegetation?
Factors that depend on population size.
What is a density-dependent factor?