Life Science · Ecosystem Dynamics
Ecosystem Interactions & Resource Availability
Analyze aligned organism, resource, and population records while keeping explanations calibrated to the evidence.

Lesson plan
Ecosystem Interactions & Resource Availability
A step-by-step guide to help you teach this lesson.
Plan with confidence
Lesson overview
What students will learn
- Analyze tables and graphs to describe how resource availability changes over time.
- Compare resource data with organism-growth or population data to identify evidence of resource effects.
Key science ideas
- Organisms need resources; scarcity can constrain growth or reproduction.
- Abundant resources can support growth or population increase when other limiting factors do not prevent it.
- Organisms with similar needs may compete for limited resources.
Lesson at a glance
- Grade 6
- 55 min
- ~12 min prep
- MS-LS2-1
- 5 materials
What’s included
- Lesson Plan
- Investigation
- Teacher Slides
- Printable Worksheet
- Teacher Answer Key
- Interactive Activity
- Vocabulary