Ecology Scientific study of interactions between organisms and their environment.

Interdependence 6 owl stoat fox rat rabbit beetle

Levels of Organization Biosphere Biome Ecosystem Community The study of ecology ranges from the study of an individual organism to populations, communities, ecosystems, biomes—and, finally, to the entire biosphere. The information that ecologists gain at each level contributes to our understanding of natural systems. Population Individual

Organism/Individual/Species An individual/species can breed and produce fertile offspring copyright cmassengale 4 4

copyright cmassengale Population A group of organisms, (same species), which live in the same place at the same time. copyright cmassengale 5 5

copyright cmassengale Community All the populations of different species that live in the same place at the same time. copyright cmassengale 6 6

Ecosystem (Living and Nonliving) ALL the organisms and non-living environment found in a particular place copyright cmassengale 7 7

copyright cmassengale Biomes are groups of ecosystems that have similar climate & communities copyright cmassengale 8 8

copyright cmassengale The Biosphere Life is found in air, on land, and in fresh and salt water. The BIOSPHERE is the portion of Earth that supports living things. copyright cmassengale 9 9

Levels of Organization Video https://www.youtube.com/watch?v=EtWknf1gzKo

Ecosystem Population Ecosystem Biosphere Community Species Population