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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