biomes
A large geographic region characterized by climate and organisms.
what's is a biome
Amount of salt in water.
What is salinity
Largest population an environment can support.
What is carrying capacity?
Original source of energy in ecosystems.
what is the sun
Original source of energy in ecosystems.
What is primary succession?
Distance from the equator.
what's is latitude
Needed for photosynthesis
what is light
A biotic limiting factor.
What is disease?
Organisms that use light energy to make food.
what are produces
Occurs after a disturbance when soil remains.
What is secondary succession?
Movement and availability of water.
what is hydrology
Fish use these to extract dissolved oxygen
what are gills
An abiotic limiting factor.
What is water?
Process that uses chemical energy instead of sunlight.
What is chemosynthesis?
Energy cannot be created or destroyed.
What is the First Law of Thermodynamics?
temperature and precipitation.
What is climate?
Flexible stems help these organisms survive.
What are aquatic plants?
Carrying capacity can do this over time.
What is change?
Organisms that break down dead organisms. What are decomposers?
What are decomposers?
Energy transfers are not 100% efficient.
What is the Second Law of Thermodynamics?
These determine which organisms can live in an area
What are abiotic conditions?
Low-salt aquatic ecosystems
What are freshwater ecosystems?
Populations fluctuate around this.
What is carrying capacity?
Energy eventually dissipates as this.
Question: What is heat?
Ecosystems need this constant energy input.
What is sunlight?