Irregardless of your beliefs, the phrase was used in a perfectly crommulent way.
We know they help convert Carbon Dioxide back into Oxygen, but we don't know how exactly.
I'm not sure what you're talking about -- the exact procedure plants use to take in carbon dioxide, and emit oxygen gas, is mapped out in as much detail as any part of science I know of; it includes the multi-stage fate of individual electrons!
Wikipedia, as usual, provides a high-level overview:
http://en.wikipedia.org/wiki/Photosynthesis#C4_and_C3_photosynthesis_and_CAM
Sorry, but fuck the polar bear
You DID catch the part where they're condoms, right?
For those of you who never had the privilege of working for him, wiki and employee horror stories
8 Catfish = 1 Octo-puss