Living Things and the Environment

EECCOOLLOOGGYY

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

a. a. OrganismOrganism An

individual living thing

4. Levels of Organization

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

e. Biome A group of ecosystems that share a

similar climate and typical organisms

Biomes of Illinois

Deciduous Forest

Grasslands

f. Biosphere Composed of many ecosystems Entire planet, with all its organisms and physical

environments

THERE’S NO PLACE LIKE HOME!