Understanding an Ecosystem Do Now: –Write down homework Homework: –Worksheet Pgs 5-7

Identify the living and nonliving things in the ecosystem.

Ecology The study of how living things interact with each other and their environment

Ecosystem All of the living and nonliving things that interact in a particular area –Prairies –Mountain streams –Oceans –Forests

Habitat A place where an organism lives and that provides the things that an organism needs –Food –Water –Shelter

Biotic Factors The living things in an ecosystem –Bear –Lizard –Frog –Tree –Lily pad –Grass

Abiotic Factors The nonliving things in an ecosystem –Water –Rocks –Soil –Sunlight –Oxygen

Organism One living thing

Populations All of the members of a particular species in one particular area

Community All of the different populations that live together in a particular area

Ecosystem All of the living and nonliving things that interact in a particular area