General Biology II · Module 15 · Population and community ecology

Populations and Communities Walkthrough

Watch hares spread across a meadow, tagged animals mix back into a population, curves bend toward carrying capacity, lynx chase hare cycles, barnacles crowd each other off a rock and a retreating glacier make room for a forest. Go at your own pace. Nothing here is graded.

Speed

Think of it like this

Quick check

Wrong answers are fine here. Read why, then try again.

Dr. Akash Garg · General Biology II Study Tools · Drawings are simplified and not to scale. CC BY-NC-SA 4.0
Use the left and right arrow keys to move between steps. Populations change over years in real life; here they change in seconds so you can watch. Numbers in examples are teaching values unless a step names a real study. Practise next in the Populations and Communities Lab.