Ocean Food Webs

ScienceOcean LifeAges 7–9

Understand ocean food webs: multiple interconnected food chains where energy flows from phytoplankton (producers) through zooplankton, small fish, and large predators, and that removing one species affects the whole web

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Learning resources

Reviewed external links that reinforce this concept. They do not replace Gakuva’s teaching approach.

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The teaching approach above still stands. Curated practice links will appear here as the shelf fills.

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2 before · 4 after

Before

Ocean Food ChainsRequired first Classifying Ocean Animals

This concept

Ocean Food WebsConceptual concept

Ocean Ecosystems Food Chains & Energy Transfer Ocean Pollution & Harm Ocean Animal Migrations

Check understanding

Distinguish a food web from a simple food chain
Trace at least two paths of energy through an ocean food web
Explain what could happen if one species in the web were removed

“Can your child explain why catching too many of one type of fish doesn't just affect that fish — it affects the whole food web, including the animals that eat it and the things it eats?”

Curriculum record

Type: Conceptual
Subject: Science
Domain: Ocean Life
Age range: Ages 7–9