Since space station astronauts will grow plants for food, the Chilean students proposed a test involving the behavior of ladybugs and their primary prey, aphids, in low gravity.
(the Chilean students; proposed; a test involving the behavior of ladybugs and their primary prey, aphids, in low gravity) (a test; involving; the behavior of ladybugs and their primary prey, aphids, in low gravity)
the Chilean students a test
proposed involving
a test involving the behavior of ladybugs and their primary prey, aphids, in low gravity
the behavior of ladybugs and their primary prey, aphids, in low gravity