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18 Cards in this Set

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Ecology

The study of relationships of organisms and their environment

Ecosystem

Interacting parts of system functioning as a unit

Biotic and abiotic components

Aspects of ecology

Physical, chemical, biological


Species and physical environment, interspecies

Environment and Relationships

Organisms and environment

Natural selection


-environment and other species shape each

Gazelle and cheetah

Population

group of organisms of the same species in a given area at a given time

Community

All populations in an ecosystem

Population interactions

Compete for resources, predator prey, mutually beneficial

Ecosystem

Environment in which organisms carry out their struggle for existence including physical conditions and the array of organisms within it

Hierarchy

Individual < population < community < ecosystem < landscape < biome < biosphere

Biome

Geographic regions of earth with similar climate and geologic conditions.

Tropical rainforest, desert, grasslands

Physical and chemical conditions that influence organism physiology

Temperature, light, oxygen, carbon dioxide

Biosphere

the thin layersurrounding the Earth that supports all of life

Biome orientation and charactarization

Latitudinally


Precipitation, soil type, temperature and plants

Independent variable

An element of an experiment directly manipulated by the investigator

dependent variable

response to the manipulation of the indepenent variable

Qualitative vs quantitative

data without numbers vs numbers

there are armadillos vs there are 39 armadillos

Sample size

to be representative and have as little skewing by outliers, the more the better

Histogram

Frequency of data (ht etc)