many many many things. can you be more specific?
Rose plant leaves may have holes due to insect damage, such as feeding by pests like caterpillars or beetles. These insects can eat away at the leaf tissue, creating holes in the leaves.
Swiss cheese plant (Monstera deliciosa) has naturally occurring holes in its leaves called fenestrations. These holes allow wind to pass through the foliage, reducing the risk of the plant getting ripped up in high winds and providing support to the large leaves.
StomataThe holes in leaves surrounded by guard cells are called stomata. These stomata help regulate the water that goes into and out of the plant.
oxygen
Stoma (plural stomata), they are the pores used for gas exchange.
Carbon Dioxide gets into the plant by being absored through tiny, pore-like holes called Stomata. These microscopic holes are located in the leaves.
To prevent or treat plant holes in leaves, you can try using natural remedies like neem oil or a mixture of water and dish soap to deter pests. You can also handpick insects off the leaves or use insecticidal soap. Additionally, maintaining good plant hygiene, such as removing dead leaves and debris, can help prevent infestations.
auxin
lack of water
Through the holes in the leaf that are called stoma. ( stomata, singular )
Yes
because or else it's composting or worms are eating the leaves ,depends on what kind of leave.