AP Environmental Science: Unit 1 Review - Ecosystems

Paratism

________- one species live on /in the other (host) is harmed (+,-)

Commensalism

________- one species benefit while the other is unaffected (+, o)

Marshland

________- found along the coast in temperate climates, contains non- woody merging vegetation.

Estuaries

________- a coastal body of water, partly surrounded by land, with access to the open ocean and a large supply of fresh water from a river.

Symbiosis

________- a long- term interaction between two species in an ecosystem.

Shrubland

________- biome around California coast and the Mediterranean Sea, hot summers and mild, rainy winters, contains fire- tolerant shrubs.

Mutualism

________- benefit both species (+, +)

Main reservoir

________- oceans, ice caps, groundwater.

Decomposition

________- releases CO2.

Major reservoirs

________- rock and sediment.

Marine Biomes

________- oceans, coral reefs, marshland, and estuaries.

Competition

________- individuals from different species (interspecific) or same (intraspecific) struggle to obtain limited resources.

Burial of organic life stores

________ carbon in sediment & fossil fuels.

AP Environmental Science

________: Unit 1- Ecosystems.

Main sinks

________- the atmosphere, living things, the ocean, sediment, & fossil fuels.

Primary Productivity

________- rate at which sunlight is converted into organic compounds over a unit of time.

Biome

________- contains characteristic communities of plants and animals that result from, and are adapted to, its climate.

Streams rivers

________- A freshwater ecosystem in which the water flows in a current.

Freshwater Biomes

________- streams, rivers, ponds, and lakes.

Nitrogen Fixation

________- process in which atmospheric nitrogen (N2) is converted by bacteria into a form of nitrogen usable by plants.