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