Ocean odditySourced
Keeping the useful parts of lunch
Elysia chlorotica, a green sea slug found along North American coasts, retains chloroplasts from the algae it eats. These remain functional inside its body and can carry out photosynthesis. The slug does not manufacture its own chloroplasts.
Lunch comes with equipment worth keeping.
Summary / translation: Unbubly · CC BY-SA 4.0
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Elysia chlorotica · Wikimedia contributors
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Reviewed: 2026-10-10