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Science Focus 7 Unit One: Interactions and Ecosystems
N/A
40
Biology
7th Grade
06/22/2011

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Term
ecology
Definition
the study of how organisms interact with one another and their environment
Term
ecosystem
Definition
All the interacting parts of a biological community and their environment
Term
symbiosis
Definition
An interesting between organsims of different species living in a close proximity that lasts over time
Term
mutualism
Definition
a symbiotic relationship where both organisms benefit
Term
commensalism
Definition
a symbiotic relationship where one organism benefits and the other appears neither to benefit or be harmed
Term
parastism
Definition
a symbiotic relationship where one organsims benefits and the other is harmed
Term
parasite
Definition
An organism that lives on or in another organisms and feeds on it
Term
host
Definition
the organism that a parasite lives and feeds on
Term
sustinabliity
Definition
Natural resources being renewed as quickly as they are being used and all wastes being completly absorbed
Term
ecological footprint
Definition
a calculation of the total area of land and water needed to supply all the materials and energy a human uses as well as to absorb waste products produced
Term
habitat
Definition
the location where an organism lives
Term
basic needs of all living organisms
Definition
  • water
  • food
  • suitable habitat
  • gas exchange
Term

adaptation

 

Definition
An inheirated characteristics that helps an organism survive
Term

producers

Definition
Term
consumers
Definition
Term

herbivores

Definition
Term

carnivores

Definition
Term

omnivores

Definition
Term
predators
Definition
Term
prey
Definition
Term
food chain
Definition
Term

pyramid of numbers

Definition
Term

food web

Definition
Term

biomass

Definition
Term
water cycle
Definition
Term

carbon cycle

Definition
Term

pollutants

Definition
Term
pollution
Definition
Term
acid rain
Definition
Term
bioaccumulation
Definition
Term
succession
Definition
Term
primary succession
Definition
Term

secondary succession

Definition
Term
biological control
Definition
Term

introduced species

Definition
Term

ecosystem monitoring

Definition
Term
indicator species
Definition
Term
mnipulated variable
Definition
Term

responding variable

Definition
Term
diversity
Definition
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