Build an Ocean Food Web
Connect organisms in a marine ecosystem and investigate what happens when one population changes.
Paper, coloured pens, string or yarn
What to do
Choose at least eight ocean organisms.
Draw each organism on a separate card.
Connect predator-prey relationships with string.
Remove one species and identify which connections are affected.
Discuss how biodiversity can support resilience.
What this develops
Food webs, interdependence, biodiversity and ecosystem change.
Use age-appropriate supervision and safe materials. Stop any activity that is unsuitable for the learner or environment. These resources are educational activities, not professional laboratory, medical or safety instructions.
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