Assertion: food chain | /r/CapableOf | swoop on shark
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Source sentences:
text: The food chain in visible action might be an eagle swooping on a jackrabbit or a shark gulping its way through a school of herring, but you can also visualize a more intrinsic, underlying movement; that of the energy, originally generated by nuclear reactions in the Sun, that flows through an ecosystem to power that system's life forces.