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vocabluray
vocabulary cards
27
Science
8th Grade
02/17/2012

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Cards

Term
individual
Definition
the single organism in an environment
Term

population

 

Definition
individuals of the same kind in an environment
Term
community
Definition
all of the populations within an enviroment
Term
ecosystem
Definition
the combination of the community and the enviroment
Term

habitat

Definition
place where a population lives within an ecosystem
Term
niche
Definition
the role or job of an organism in an ecosystem
Term
producers
Definition
plants use sunlight to make their own food
Term
consumers
Definition
any organism that must eat to get the energy they need
Term
decomposers
Definition
organisms which break down the tissue of dead organisms
Term
food chain
Definition
how consumers in an ecosystem connect to one another according to what they eat
Term

food web

Definition
the relationship between different food chains in an ecosystem
Term
energy pyramid
Definition
the amount of energy available to pass from one level of the food chain to the next
Term
competition
Definition
contests among organisms for resources
Term
instinct
Definition
behavior that an organism inherits
Term
biome
Definition
a large scale ecosystem and its climate
Term
climate/weather
Definition
average of all weather conditions through all seasons over time
Term
tropical rain forest
Definition
a mid-latitude forest with generous rainfall and warm temperatures all year long
Term
deciduous forest
Definition
a forest where trees lose their leaves during the winter
Term
grasslands
Definition
land where grass or grass-like vegetation grows and is the dominant form of plant life
Term

desert

 

Definition
area where the climate is very hot, water is scarce, and plants and animals are well adapted at conserving water
Term
taiga
Definition
a forest located in colder climates that has mostly evergreen trees
Term
tundra
Definition
a rolling plain with low temperatures and long winters, where plants and animals are well adapted at living in these conditions
Term
ocean
Definition
principal component of the hydrosphere-covers 71% of earths surface
Term

life cycles

 

Definition
stages of development for organisms
Term
inherited traits
Definition
traits passed from parents to offspring
Term
learn traits/characteristics/behaviors
Definition
traits that we learn through observation and pratice
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