In some species, up to half the sugar produced by the captive chloroplasts is passed to the sea slug.
Before giving an answer, let's think for a second about the kind of thing we can learn even from so commonplace an event.
Dolphins have evolved to live in an aquatic environment, and like bats, they can use sonar to locate prey by emitting different frequencies of sounds.
The humpback whale uses a special strategy to hunt fishy prey. Almost like human fishermen the whales use a fisher net built of air bubbles instead of rope.
The early bird catches the worm. But, how do Robins find worms?
The very bottom of the food chain is changing and can have far-reaching consequences for the rest of us. Learn more on this Moment of Science.
You've probably heard that global warming in the Arctic is killing off polar bears by shrinking their habitat, but are other arctic animals suffering, too?
Though most true bugs eat plant sap, some feed on animals. One such true bug is the assassin bug, which feeds on fellow insects.
Many studies are done on ant behavior, but these amazing Amazonian ants are especially tricky.
Many fish travel in schools, but how do fish school, and why? Learn more on this Moment of Science.