
Ecosystems in Balance
Predators, prey, populations and the ripple effects of change. Enter a system where everything is connected.
Investigate the food webs ↗Follow the evidence. Ask better questions. Solve the mysteries hiding in plain sight. Science isn't something you memorize here—it's something you do.

Biology starts with a question worth asking. Explore meaningful phenomena, make sense of real evidence, build and revise models, and defend explanations using science.
Each trail opens a new window into living systems. Our ecology investigations are featured in this first edition.

Predators, prey, populations and the ripple effects of change. Enter a system where everything is connected.
Investigate the food webs ↗Zoom into the structures and processes that make life possible.
Investigate how information moves through generations and populations.
A coastal ecosystem is changing. One species has declined, another is booming, and local researchers need your help. Can you identify the most scientifically supported explanation?
Open Case File 001 →Something has gone wrong in the food web. Become an ecosystem detective: examine evidence, trace changes across trophic levels, test your reasoning, and build a science-based case.
Opens the full five-case game here on The Living Classroom. Progress saves in your browser; download your case report to turn in to your teacher.
Observe · Question · Investigate · Explain · Connect
Try this short bonus investigation here, or visit the full five-case Food Web Mysteries game above.
Practice scenario based on established kelp-forest trophic relationships. This activity is self-checking; no answers are collected or stored.
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A growing home for phenomena-based biology resources, hands-on investigations, formative checks, field journals and teacher planning tools.
Browse classroom resources in our Teachers Pay Teachers shop. Purchases and downloads take place on TPT.