Dry conditions may have helped a new type of plant gain a foothold on Earth

(University of Pennsylvania) Plants reap energy from the sun using two photosynthesis pathways, C3 and C4. A new study led by University of Pennsylvania biologists suggests that water availability drove the expansion of C4 species, which may help to explain how different plant lineages came to be distributed on the planet today
Source: EurekAlert! - Biology - Category: Biology Source Type: news