Wild Things: Life as We Know It- page 2 | Science | Smithsonian
(Groovnick / Flickr)

Wild Things: Life as We Know It

Honeyeater birds, sea slugs, tree frogs, and more

Green Energy

sea slug
(Cheryl Carlin)
This sea slug looks like a leaf because it contains chlorophyll-rich plant structures called chloroplasts, extracted from algae it eats. Now researchers led by Texas A&M say Elysia chlorotica has also acquired from the algae at least one gene necessary for photosynthesis—a first among animals. The slug can photosynthesize on its own for months.

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