Presentation on theme: "Biotic vs. Abiotic Factors"— Presentation transcript:
1Biotic vs. Abiotic Factors Intro to EcosystemsBiotic vs. Abiotic Factors
2DefinitionsEcosystem: A community interacting with the non-living parts of its environment.Biotic: Living organisms in the environment, such as plants or animals.Abiotic: Non-living physical features of the environment, such as soil and water.
3Evidence 1: Card Sort Sort the cards into 3 columns: Biotic Abiotic Not Sure (or both/can’t agree)
4Evidence: Sort contd… Write down the items that you were unsure of. Look at those that are in the unsure column. Why were those confusing?If you agreed on all of them, write down the rule that you used to decide.
5Evidence: PicturesFor each picture, write the name and 2 columns. List as many biotic and abiotic factors as you can for each ecosystemWhere do you think the ecosystem boundaries are? (Where does it begin and end?)
10Evidence 3: Courtyard Ecosystem Your group will be assigned an area in the courtyard.List as many biotic and abiotic factors as you can.Write down the boundaries of your assigned ecosystem.
11Analysis QuestionsYou’re on the beach and find a piece of driftwood. Is it biotic or abiotic? Why?Is a patch of lawn an ecosystem? Explain.What are some biotic & abiotic factors that would affect a plant but not a rabbit?
12Summary What did you think ecosystems before this lesson? What did you learn about ecosystems from this lesson? (Minimum of 3 sentences!!!)What are some further thoughts or questions you have about ecosystems?