Migration: Reproduction
Some animals must migrate to reproduce. Pacific salmon migrate thousands of kilometres to spawn - an epic journey which ends in death. Biology - Ecosystems - Learning Points. Pacific salmon migrate thousands of miles to reproduce. Their eggs can only survive in fresh water. They journey from the sea upstream to spawning grounds. They face being eaten by bears and stuck in shallow waters. A Twig Context Film. Reinforce and extend the learning required by the curriculum. Twig’s context films show abstract concepts in action in the real world.
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