Water Systems
This is describes water that is stored underground in permeable rock layers
What is an aquifer
This is the term for variety of species, genes, and ecosystems in an area
What is biodiversity
The most abundant greenhouse gas in Earth’s atmosphere
What is water vapor
Pollution that comes from a single, identifiable source
What is point‑source pollution
A representation of a complex system used to predict outcomes
What is a model
This is the process by which plants release water vapor into the atmosphere
What is transpiration
A species that has a very large effect on its ecosystem (an ecosystem would fall without it)
What is a keystone species
Energy that comes from the movement of air
What is wind energy
The accumulation of toxins as they move up the food chain
What is biomagnification
A system with inputs and outputs but no exchange of matter
What is a closed system
A high BOD level in a river indicates this about oxygen availability
What is low dissolved oxygen
The term for the total number of species in a given area
What is species richness
The effect where heat is trapped by atmospheric gases
What is the greenhouse effect
The term for pollution that persists and resists breakdown
What is persistent organic pollution (POP)
A feedback loop that amplifies change
What is positive feedback loop
This is the index using macroinvertebrates to assess stream health
What is a biotic index
This type of succession begins on bare rock with no soil present
What is primary succession
The source of nearly all energy
What is the sun
The process of breaking down organic waste without oxygen
What is anaerobic digestion
The term for the maximum population an environment can support
What is carrying capacity
This is zone where freshwater meets saltwater, which often has high in productivity
What is an estuary
The hypothesis that ecosystems with more diversity are more stable
What is the insurance hypothesis
The term for energy lost between trophic levels
What is the 10% rule
This type of smog forms from sunlight reacting with pollutants
What is photochemical smog
The diagram that shows energy flow between trophic levels
What is a pyramid of energy