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Ecology & Methods of Life Science
Unit test flashcards
44
Science
7th Grade
09/26/2010

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Cards

Term
Population:
Definition
All the living things in an enviroment
Term
Autotrophs or Producers:
Definition
Make there own food
Term
Symbiosis:
Definition
A close relationship between two organisms... they live near, on, or in another organism where at least one benifits
Term
Carnivors:
Definition
Meat eatung consumers
Term
Parasite:
Definition
living organism living of a host
Term
Host:
Definition
what a parasite lives of and harms
Term
Green Plants:
Definition
Use the suns energy
Term
Producer:
Definition
a living organism such as a green plant
Term
Habitat:
Definition
A living area
Term
Competition:
Definition
This happens when small amounts of food are available
Term
Mutualism:
Definition
When two organisms benifit of eachother
Term
Food Web:
Definition
Over lapping foodchains
Term
Commensalism:
Definition
Benifits one & DOSENT harm the other
Term
The Six Major Land Biomes:
Definition
tundra,confierous,deciduous forest, grassland, desert, tropical rain forest
Term
Tundra:
Definition
A northern, frozen ground biome
Term
Ciniferous Forest:
Definition
Northern most forest biome with conifers
Term
Deciduous Forest:
Definition
An area where the trees shed there leaves
Term
Taiga:
Definition
The Russian term "swamp forest"
Term
Tropical Rain Forest:
Definition
these have about 200cm of rain a year
Term
Canopy:
Definition
Top layer of trees in a forest
Term
Biomes:
Definition
Areas with similar climates, plants, and animals
Term
Largest Grassland is where:
Definition
Africa
Term
Evergreens:
Definition
Most of the conifers species are these
Term
Freshwater vs Marine Biome:
Definition
These two water biomes cover about 70% of the Earth
Term
Ocean:
Definition
Another name for marine
Term
Photoplankton use ____ _____ to make food
Definition
sun light to make food
Term
Cactus:
Definition
A desert biome plant
Term
Desert:
Definition
A land biome like the one in North Africa receving little annual rainfall
Term
Extinction:
Definition
A species passing out of existance
Term
Do humans increase the rate of extinction:
Definition
True
Term
Endangered:
Definition
Rare orgnaisms in danger of becoming extinct
Term
Deforestation:
Definition
Removal of forests
Term
Exotic Species:
Definition
Species released into a NEW area for themselves
Term
Conservation:
Definition
The WISE use of natural reasources
Term
Endangered:
Definition
Rhinos,Elephants,and Manatees are considered this
Term
Wetlands:
Definition
An area like a swamp or marsh
Term
300 power of magnification:
Definition
A 10X and 30X lens=
Term
The red litmus turns blue it is a
Definition
Base
Term
The blue litmus turns red it is a:
Definition
Acid
Term
A procedure is step by step:
Definition
True
Term
Diaphram of the microscope dose what:
Definition
Adjusts the amount of light let in
Term
How do you hold a microscope:
Definition
By its base AND arm
Term
Ph scale:
Definition
Acid----Nuetral----Base
1 7 14
Term
KNOW THE ALL THE PARTS OF THE MICROSCOPE 10 POINTS
Definition
KNOW THE SOUTH AMERICAN BIOME MAP ALSO
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