Ecological Landscape

The biosphere is the part of Earth and its atmosphere in which living. organisms exist.
Biotic factors
Biotic factors are things that are living or that were once living in the biosphere.
Abiotic factors
Abiotic factors are the nonliving things in the biosphere.
A system in which organisms and their environment interact.
Water cycle
The water cycle is the movement of water throughout the biosphere.
A community is all of the living things in an ecosytem.
Organisms of the same species living in a community are called a poplulation.
Population density
Population density is the number of individual organisms of one species in a community.
Carrying capacity
Carrying capacity is the maximum number of organisms in a population that an environment can support over a long period of time.
A habitat is the place in which an organism lives; the place where all of its needs are met.
Preferred habitat
An organism’s preferred habitat is the place where the organism has an advantage over other organisms.
Much of life in a freshwater environment is Plankton, microscopic organisms that live near the surface of the water.
A wetland is an area of land where the water level is near or above the ground surface for most of the year.
Riparian Vegetation
Riparian vegetation includes all waterside plants that add nutrients to streams and rivers.
Water hardness
Water hardness is the term used to describe the amount of the minerals magnesium and calcium in water.
A pollutant is a substance or condition in the air, soil, or water that harms living things.
Sediments are solid materials that settle to the bottom of a liquid.
Acid rain
Acid rain is teh result of sulfur dioxide and nitrogen oxides reacting in the atmosphere with water and returning to earth.
pH scale
The pH scale is a scale that measures the acidity of a solution such as water.