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ENVIRONMENTAL STUDY

CHAPTER 1 - ENVIRONMENTAL INTERRELATIONSHIPS

QuestionAnswer
environmental science an interdisciplinary area of study that includes both applied and theoretical aspectsof human impact on the world
environment everything that affects an organism during its lifetime
science a method for gathering & organizing info that involves observation, asking questions about observations hypothesis formation, testing hypothesis, critically evaluating the results, & publishing info so that others can evaluate the process & conclusions
ecosystem a group of interacting species along with their physical environment
wilderness designation of land use for the exclusion protection of the area's natural wildlife; thus, no human development is allowed
ecology a branch of science that deals with the interrelationship between organisms and their environment
community interacting groups of different species
biotic factors living portions of the environment
abiotic factors nonliving factors that influence the life and activities of an organism
biome a kind of plant and animal community that covers large geographic areas. climate is a major determiner of the biome found in a particular area
population a group of individuals of the same species occupying a given area
niche the total role an organism plays in its ecosystem
decomposers small organisms, such as bacteria or fungi, that cause the decay of dead organic matter and recycle nutrients
habitat the specific kind of place where a particular kind of organism lives
autotrophic any organism capable of self-nourishment by using inorganic materials as a source of nutrients and using photosynthesis or chemosynthesis as a source of energy, as most plants and certain bacteria and protists
heterotrophic an organism requiring organic compounds for its principal source of food
Created by: Jessica C
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