Resource Availability & Population Dynamics Substitute Slideshow & Teacher Guide | Life Science | Grades 6–8

This Substitute Slideshow & Teacher Guide gives grades 6–8 Middle School Life Science students a ready-to-run, illustrated lesson on Resource Availability & Population Dynamics, built around the driving question "How does the availability of environmental resources regulate individual organism growth, population fluctuations, and carrying capacity in an ecosystem?"

Slide topics: The Driving Question; Background Information; Population Size, Density, & Dispersion; Births, Deaths, & Migration; Exponential vs. Logistic Growth; Limiting Factors in Ecosystems; Overshoot, Diebacks, & Resource Cycles; Trivia Tidbits; The ‘So What?’; Key Takeaways.

What's inside: 11 student-facing slides followed by 12 teacher-guide slides (talking points and demo ideas for each content slide), so a substitute or co-teacher can deliver the lesson.

Resource type: Sub-Ready Slides (.pptx). Format: editable Microsoft PowerPoint deck, 23 slides.

Classroom use: sub plans, direct instruction, or a unit launch in a Middle School Life Science course. Grades 6–8.

Format note: These files are delivered in Microsoft Office formats (Word and/or PowerPoint). If you open a worksheet that includes tables in Apple Pages or another non-Microsoft app, table formatting may not display correctly. For best results, use Microsoft Word or PowerPoint (or upload the file to Google Docs). If you run into any formatting issues, contact us and we can send a PDF version.