Content Standard: B. Ecology
Students will understand how living things depend on one another and on non-living aspects of the environment.

Common Assessment(s):

Performance Indicators Students will be able to:	Essential Elements (Specific grade level learning objectives)			Suggested Performance Activities	Suggested Classroom Assessments	Vocabulary
2. Analyze how the finite resources in an ecosystem limit the types and populations of organisms within it.	Analyze the finite resources of a given ecosystem and list what resources it holds. Describe what happens when one or more resources are removed. Show how the finite resources in an ecosystem are connected to each other. List out what are the finite needs of a population within the ecosystem.			Animal study and life cycle study at Chewonki. Farm and conservation practices at Chewonki.	Students will describe how the balance of a system-water, animal, life cycle or ecosystem-can be disrupted when an element is removed or its volume changes.	food chain niche ecosystem producer consumer analyze organism predator prey finite
3. Describe succession and other ways that ecosystems can change over time.				Most Chewonki activities and animal study. Chewonki prep Maine environment	Students will describe the life cycle of ponds, animal groups, and other geographical features. Students will draw succession phases of one group or thing. LAD task Life in a Terrarium	succession finite renewable population