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Define ecosystem. Community of organisms and their abiotic environment.
Define food chain. Food chain: the pathway of energy being transferred through various stages as a result of the feeding patterns of a series of organisms.
Compare primary and secondary succession.Primary: no life before Secondary: replaces previous life
How much energy is available for the level above on an energy pyramid?10%
Define symbiosis Two or more species live together in a close, long-term association.
What is commensalism? One organism is helped, the other is not helped or hurt.
What is acid rain? When sulfur combines with water vapor, the rain lowers the pH of the soil and water sources.
What are renewable resources?Resources that are replenished naturally. Wind power Solar power
Ecology Study of interactions between organisms and their environments.
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Biology Review CH 4 Ecology. List the levels of organization for the study of ecology (6) Species Population Community Ecosystem Biome Biosphere.
Unit 2 – Ecologyand the Enviroment. Levels of Organization in Ecology atom molecule organelle cell tissue organ organ system organism.
NEXT Everything is Connected Living Things Need Energy Types of Interactions Natural Selection Random Facts
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Shaping an Ecosystem. Biotic and Abiotic Factors Ecosystems are influences by living and non living Biotic factors: all biological factors in an ecosystem.
ECOLOGY The study of interactions of organisms and their environment.
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Ecology Review. Environment Living Things Energy Types of Interactions Misc. $100 $200 $300 $400 $500.
10% Rule Only 10% of the energy present at one feeding is passed on to the next feeding level.
Ecosystems. Definitions Ecology - Study of interactions between organisms & environment Population – same organisms, living together Community –
What makes up an ecosystem? Biotic factors Plants Animals Bacteria Etc. Abiotic factors Water Light Temperature Soil.
Keystone Ecology Review. Levels of Organization Ecosystem—biotic & abiotic Community—all biotic factors Pollution—only one group (species) of organisms.
ECOLOGY The Study of the Interaction of organisms with their environment.
Ecology and our World Ecology The study of interactions between living things and their environment Levels in Ecology 1. Individual A single member of.
Ecology. Ecology is the study of the interactions among organisms and their environment.
Principles of Ecology.
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