When something is goes into water that originally wasn't there.
A type of water pollution with a definite source.
A type of water pollution that has no definite source.
A source of freshwater that is underground and is filtered by rocks.
A series of organisms that are related by predator-prey and producer-consumer.
Any form of life.
A group of individuals of the same species found in a given area or located in the same area at a given time.
Populations of living organisms that interact with one another in an ecosystem.
A group of living organisms that interact with one another and the non-living physical environment as one unit.
Geographic region of Earth inhabited by a community of distinct types of plants and animals.
Layer of soil, water, and air that sustains life.
A series of organisms interrelated by their feeding habits.
An animal that eats plants (herbivore.)
A carnivore that only feeds on herbivores.
A carnivore that is at the top of the food chain and feeds on other carnivores.
Any class of organisms that occupy the same level of the food chain.
Diversity among and within plant and animal species in an environment.
An area that is very biodiverse.
The process in which communities change over time.
It occurs in places where an ecosystem has never existed. It is basically just barren rock.
It occurs where an ecosystem has been disturbed or destroyed.
These are the first species that move into an ecosystem after a type of succession
This community is in equilibrium with little to no change in the following years.
The increase or decrease of a population.
An environmental factor that can limit population size.
The number of individuals of a species that an ecosystem can support.
This plague caused a huge decrease in the human population in the 1400s.
This started the huge increase in human population in the 1800s.
Exponential growth is the growth or increase in something where the rate becomes more rapid and proportioned to the growing total number or size.
The ability for something to last.
The population will grow, but will eventually level off.
This curve goes with exponential growth
This goes with logistic growth.
How fast a population grows.
The non-living parts of an ecosystem