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Ecostems

QuestionAnswer
Biotic : of, relating to, or caused by living organisms
abiotic not biotic
ecosystem : the complex of a community of organisms and its environment functioning as an ecological unit
habitat : the place or environment where a plant or animal naturally or normally lives and grows
organism : a complex structure of interdependent and subordinate elements whose relations and properties are largely determined by their function in the whole
population : the whole number of people or inhabitants in a country or region
community a unified body of individuals
biosphere : the part of the world in which life can exist
producer one that grows agricultural products or manufactures crude materials into articles of use
consumer : an organism requiring complex organic compounds for food which it obtains by preying on other organisms or by eating particles of organic matter
decomposer : any of various organisms (such as many bacteria and fungi) that return constituents of organic substances to ecological cycles by feeding on and breaking down dead protoplasm
herbivore A animal that eats other plants for energy
carnivore : an animal (such as a dog, fox, crocodile, or shark) that feeds primarily or exclusively on animal matter : a carnivorous animal
omnivore an animal that eats other producers for energy
scavenger an organism that typically feeds on refuse or carrion
Predator : an organism that primarily obtains food by the killing and consuming of other organisms : an organism that lives by predation
Prey an animal taken by a predator as food
Niche : the ecological role of an organism in a community especially in regard to food consumption
Biome : a major ecological community type (such as tropical rainforest, grassland, or desert)
Terrestrial Ecosystem a land-based community of organisms and the interactions of biotic and abiotic components in a given area
Deciduous Forest characterized by trees that lose their leaves at the end of each growing season
Grassland : farmland occupied chiefly by forage plants and especially grasses
Rainforest : a tropical woodland with an annual rainfall of at least 100 inches (254 centimeters) and marked by lofty broad-leaved evergreen trees forming a continuous canopy
Desert such land having a very warm climate and receiving less than 25 centimeters (10 inches) of sporadic rainfall annually
Aquatic ecosystem oceans, lakes, rivers, streams, estuaries, and wetlands
freshwater : consisting of or containing fresh water
Pond : a body of water usually smaller than a lake
Lake : a considerable inland body of standing water
River/Stream The word stream is often used interchangeably with river, though rivers usually describe larger streams
Food Chain : an arrangement of the organisms of an ecological community according to the order of predation in which each uses the next usually lower member as a food source
Primary consumer : a plant-eating organism
Secondary consumer The organisms that eat the primary consumers
Tertiary consumer The organisms that prey on the secondary consumers
Trophic levels ranges from a value of 1 for primary producers to 5 for marine mammals and humans
Autotroph an organism that can produce its own food using light, water, carbon dioxide, or other chemicals
Heterotroph an organism that eats other plants or animals for energy and nutrients
Food webs Shows how one plant or animal is part of another food chain
energy pyramid a diagram that shows the amount of energy passed on at each level of a food chain
competition the struggle of organisms against each other to get the same resource
natural resources materials in the environment that useful to people
Estuary a place where fresh water from a river empties into the ocean and mixes with it
Brackish slightly salty, as is the mixture of river water and seawater in estuaries.
Created by: Mkiser
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