AP Bio Chapter 53 Part 3 Flashcards
Estuary
When salt and freshwater comes together
Ecosystem
The community and the abiotic factors in a contingous area
What are the 3 ecological pyramids
Energy numbers and biomass
Assimilated
Materials that make it into the bloodstream
Represented with ecological pyramids
What do producers convert
Sunlight energy to chemical
Laws of conservation
Life has to adhere to conservation of energy and conservation of mass
What must energy must be
Constantly input to an ecosystem
Where does matter cycle
An ecosystem
Producers are crucial for
Crucial for energy transfer
Decomposed are crucial for
Matter cycle
Consumers are..
Not really necessary
Limiting factors
Any resource that limits the distribution and abundance of organisms in an ecosystem
What do nutrients play a crucial role in
Limiting primary production in aquatic systems
What determines the primary production of terrestrial ecosystems
Soil quality, precipitation, and climate
Primary production
The total free energy stored in organic compounds by producers in an ecosystem
What does primary production determine
Structure and complexity of the community
Gross primary productivity
Total photosynthesis production
Net primary productivity
Total photosynthesis production available for consumers
Energy transfer
Energy transfer between trophic limits is a major limiting factor on the number of organisms who occupy higher trophic levels in an ecosystem
How much energy is transferred from 1 trophic level to the next
10% of energy
What percent of solar energy is utilized for photosynthesis
1%
What are nutrient cycles also known as
Biogeochemical cycles
Nutrients must _______ through an ecosystem
Cycle
What does this checking inckude
Biotic and abiotic reservoirs and organic and inorganic forms
Water
Technically not a nutrient
Photosynthesis ________ carbon
Stores
Cell respiration __________ carbon
Releases
Carbon
Carbon and oxygen cycles are mirror images
Nitrogen
A limiting factor
Breathe in N2, breathe it out
Determines extensive microbial action
Phosphorous
Never a gas, always solid
What’s the major phosphorous reservoir
Rocks
