a group of organisms of the same species living in the same area

groups of organisms of different species, living in the same area. Interactions include competition, predation, symbiosis

a combination of the community and the physical features of the area (soil, pH, water, weather)

a major ecosystem that occurs over a large area of land; takes into account latitude and longitude and climate

how and where an organism lives and the job it performs. This includes diet, activity, how it affects energy flow in systems. THIS IS NOT THE SAME AS HABITAT

the path of energy through the trophic levels of an ecosystem

an interconnected group of food chains

a specific level in an ecosystem based on the organism’s source of energy (includes producers, consumers, decomposers)

an interaction between two organisms where they compete for resources

an interaction between two organisms where they both benefit

an interaction between two organisms where one benefits and the other is neither harmed nor benefited

an interaction between two organisms where the parasite benefits and the host is harmed

a living factor in an ecosystem

a non-living factor in an ecosystem

something in an ecosystem that limits the growth of a population

the largest size a population can be where all organisms have resources to be successful

non-native species: a specie that does not belong in a specific ecosystem naturally; an introduced species that often exploits it resources and outcompetes the native species in the area

10% energy transfer rule

explains the loss of 90% of energy between trophic levels; only 10% of the energy available at one level is transferred to the next level

obtain energy from organic waste and dead bodies; feeds on dead/decaying matter (examples: worms)

Producer or Autotroph

organisms that can make their own food by photosynthesis

organisms that consume producers or other consumers for food

the specific place where an organism lives

the number of different types of species living in a given area

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Ecology Vocab

Unit 3

Term	Definition
Population	a group of organisms of the same species living in the same area
Community	groups of organisms of different species, living in the same area. Interactions include competition, predation, symbiosis
Ecosystem	a combination of the community and the physical features of the area (soil, pH, water, weather)
Biome	a major ecosystem that occurs over a large area of land; takes into account latitude and longitude and climate
Niche	how and where an organism lives and the job it performs. This includes diet, activity, how it affects energy flow in systems. THIS IS NOT THE SAME AS HABITAT
Food chain	the path of energy through the trophic levels of an ecosystem
Food web	an interconnected group of food chains
Trophic level	a specific level in an ecosystem based on the organism’s source of energy (includes producers, consumers, decomposers)
Competition	an interaction between two organisms where they compete for resources
Mutualism	an interaction between two organisms where they both benefit
Commensalism	an interaction between two organisms where one benefits and the other is neither harmed nor benefited
Parasitism	an interaction between two organisms where the parasite benefits and the host is harmed
Biotic	a living factor in an ecosystem
Abiotic	a non-living factor in an ecosystem
Limiting factor	something in an ecosystem that limits the growth of a population
Carrying capacity	the largest size a population can be where all organisms have resources to be successful
Invasive species	non-native species: a specie that does not belong in a specific ecosystem naturally; an introduced species that often exploits it resources and outcompetes the native species in the area
10% energy transfer rule	explains the loss of 90% of energy between trophic levels; only 10% of the energy available at one level is transferred to the next level
Detritivore	obtain energy from organic waste and dead bodies; feeds on dead/decaying matter (examples: worms)
Aquatic	‘relating to’ water
Terrestrial	‘relating to’ land
Producer or Autotroph	organisms that can make their own food by photosynthesis
Heterotroph	organisms that consume producers or other consumers for food
Habitat	the specific place where an organism lives
Biodiversity	the number of different types of species living in a given area

Created by: SamanthaMallon

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