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ecology quiz 9/27

Kamienski practice the key terms needed for the upcoming quiz

QuestionAnswer
lichen a type of pioneer species that form soil from rocks
abiotic a non living factor in an ecosystem, ie water, temp.
biotic the living component of an ecosystem
population all the individuals of a particular species in a given area.
ecosystem Consists of an areas abiotic and biotic factors, these are smaller units of a biosphere.
biosphere the portion of earth where life exists
community The living organisms of a particular area.
latititude The distance north or south of the equator.
altitude The distance above sea level
weathering a process of soil formation involving rain, ice etc.
autotroph The term for an organism that can create its own food
heterotroph The term for an organism that must eat another organism to gain energy.
herbivore An organism that fees solely on plants
carnivore an organism that feeds solely on other animals
omnivore an organism that feeds on both plants and animals
scavenger a type carnivore that eats already dead animals.
predator a type of carnivore that hunts and kills other animals.
Saprobe Organisms that get energy from breaking down dead plants and animals.
Primary consumer Organisms that feed directly on producers.
Detritus The term for dead and decaying organisms
food chain the pathway of food (energy) from a plant to a top level consumer.
food web The pattern of feeding in a community, made of interconnected food chains.
trophic level each link in a food chain
symbiotic relationships relationships that happen when organisms live in close contact with one another.
mutualism A type of relationship when both organisms benefit
altitude The distance above sea level
weathering a process of soil formation involving rain, ice etc.
autotroph The term for an organism that can create its own food
heterotroph The term for an organism that must eat another organism to gain energy.
herbivore An organism that fees solely on plants
carnivore an organism that feeds solely on other animals
omnivore an organism that feeds on both plants and animals
scavenger a type carnivore that eats already dead animals.
predator a type of carnivore that hunts and kills other animals.
Saprobe Organisms that get energy from breaking down dead plants and animals.
Primary consumer Organisms that feed directly on producers.
Detritus The term for dead and decaying organisms
food chain the pathway of food (energy) from a plant to a top level consumer.
food web The pattern of feeding in a community, made of interconnected food chains.
trophic level each link in a food chain
symbiotic relationships relationships that happen when organisms live in close contact with one another.
mutualism A type of relationship when both organisms benefit
commensalism A type of relationship when one organism benefits the other is NOT affected.
parasitism A type of relationship when one organism benefits and the other organism is harmed.
pyramid of energy Shows the proportion of energy contained in each trophic level
What organism within an ecosystem contains the MOST amount of energy? Producers, plants
What percentage of energy is transferred up a food chain? 10 %
pyramid of biomass Shows the amount in grams of living organisms in each trophic level within an area.
pyramid of numbers shows the number of individual organisms at each trophic level within an environment.
Created by: bkamienski
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