The Scope of Ecology | Ecology and the Biosphere | Unit 8. Ecology

Описание: Chapter: The Scope of Ecology
Collection: Ecology and the Biosphere
Unit 8. Ecology
Book: Biology


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Ecology is the study of the interactions of living things with their environment. Ecologists ask questions across four levels of biological organization-organismal, population, community, and ecosystem. At the organismal level, ecologists study individual organisms and how they interact with their environments. At the population and community levels, ecologists explore, respectively, how a population of organisms changes over time and the ways in which that population interacts with other species in the community. Ecologists studying an ecosystem examine the living species (the biotic components) of the ecosystem as well as the nonliving portions (the abiotic components), such as air, water, and soil, of the environment.


00:00 The Scope of Ecology
00:44 Levels of ecological study
02:06 Organismal ecology
03:36 Population ecology
05:25 Community ecology
07:24 Ecosystem ecology
08:40 Career connection
10:23 Section summary

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