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Biosphere of life
changing life system
30
Biology
11th Grade
05/21/2014

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Term
Biotic
Definition
living thing
Term
Abiotic
Definition
non-living thing
Term
Ecosystem
Definition
Biotic and Abiotic interact in an area
Term
Habitat
Definition
An environment where biotic and abiotic factors supports a particular organism
Term
Nutrient
Definition
essential for healthy plant and growth
Term
Algae
Definition
plays a vital role in marine and freshwater ecosystems
Term
Harmful algal bloom
Definition
This occurs when the population explosion of algae has eventually depleted the nutrients that triggered the event.
Term
Biomass
Definition
How much organisms living in that particular habitat.
Term
Ecology
Definition
the study of how organisms interact with one another
Term
Population
Definition
group of the same species living and interacting together in the same area at the same time
Term
biological community
Definition
populations that interacts together at the same time in the same area
Term
symbiosis
Definition
Atleast one organism benefits out of two species that lives in close contact. Also known as "living together"
Term
mutualism
Definition
Both species benefits
Term
commensalism
Definition
one species benfits and the other is either helped or harmed
Term
parasitism
Definition
a relation between organisms in which the other lives as a parasite
Term
predation
Definition
one organism eats the other organism which is the prey
Term
competition
Definition
two or more organisms compete for the same limited resources
Term
producer
Definition
an organism that uses light to produce organic compounds through the process of photosynthesis
Term
consumer
Definition
organisms that uses other organisms as a source of energy
Term
primary consumer
Definition
eats plants and algae
Term
herbivore
Definition
eats green plants and algae
Term
secondary consumer
Definition
organisms that eats herbivores
Term
tertiary consumer
Definition
organisms that eats secondary consumers
Term
carnivore
Definition
organisms that eats animals and meat
Term
omnivore
Definition
organisms that eats anything
Term
scavenger
Definition
birds and other organisms that eats from dead animals that that they didnt kill
Term
decomposer
Definition
breaks down complex organic compounds into simpler molecules
Term
trophic level
Definition
division of species within an ecosystem based on its energy source
Term
food chain
Definition
the pathway of food to one trophic level to another
Term
food web
Definition
interconnecting feeding relationships within an ecosystem
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