Assertion: hornwort's stem | /r/CapableOf | carry out photosynthesis
Facets:
Source sentences:
text: In the absence of leaves, enlarged stems carry out photosynthesis.
text: Such stems contain chlorophyll and are able to carry out photosynthesis; they also have stomata (small structures that can open and close to allow passage of gases).
text: To carry out photosynthesis, cactus stems have undergone many adaptations.