Food is made through the process of photosynthesis, just like any
other plant. The difference between a cactus making food from another
plant is that cacti have their leaves reduced to sharp spines, and therefore,
their stem contains chlorophyll and photosynthesis takes place through
the stem.
other plant. The difference between a cactus making food from another
plant is that cacti have their leaves reduced to sharp spines, and therefore,
their stem contains chlorophyll and photosynthesis takes place through
the stem.