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1. EcologyEcology… the study of how living things interact with each other
and their environment. an interdependence. Organisms depend on all parts-living and nonliving
2. Habitat- the place where an organism lives out its life-their home
An organism gets food , water, and other things it needs to live, grow and reproduce from its environment-habitat.
a. ABIOTIC-Nonliving dead organic matter nutrients in the soil and
water Temperature sunlight
b. BIOTIC-Living green plants Deer Rabbits Insects bacteria
3. Interdependent Parts
b. Populationb. Population A group of the same species living in
the same area that can interbreed.
*Organisms may compete with each other for resources such as food, water, space, mates, etc.
c. Communityc. Community A group of
different species that live in the same place at the same time. One population can cause a change in another.
d. Ecosystem All the
organisms that live in a place, together with their physical environment
Terrestrial : located on landAquatic: located in water
Ecosystems of Illinois prairie, wetlands, forest, lakes,
streams, agricultural land, and urban areas