What is the energy pyramid?
A tool that can be used to trace the flow of energy through an ecosystem.
The movement of water between the oceans, atmosphere , land, and living things.
A volcano erupting
Lightening causes a fire in the forrest
What is another name for the flow of energy?
calorific flow
Define the nitrogen cycle
The movement of nitrogen between the environment and living things.
What are two signs of a mature ecosystem>
Climax Species
Biodiversity
What is the role of decomposers in cycling matter?
Decomposers break down wastes and dead organisms, returning matter to the environment.
Define the carbon cycle
Carbon moves through organisms and between organisms and the physical environment.
What are two types of ecological succession
Primary Succession and Secondary Succession
How does water from the atmosphere return to Earth's surface?
Water from the atmosphere condenses and then falls back to Earth's surface in the form of precipitation, rain, snow, or hail.
Define Eutrophication
The process in which organic matter and nutrients slowly build up in a body of water.
How do humans negatively affect the environment?
Depleting Resources
Destroying Habitats
What would happen to the ecosystem if there were no nitrogen-fixing bacteria?
Plants, animals, and other living things would not have the usable form of nitrogen they need to sustain life processes, such as making proteins.
Define Pioneer species
The first organisms to live in an uninhabited area
How do humans impact oceans?
Fishing and Over fishing
Coastal development