many many many things. can you be more specific?
If you are looking for the culprits that eat your leaves then just look at insects and snails. They are the biggest problem when it comes to leaf eating.
Answer
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.
germination
Carbon Dioxide gets into the plant by being absored through tiny, pore-like holes called Stomata. These microscopic holes are located in the leaves.
auxin
lack of water
Yes
Through the holes in the leaf that are called stoma. ( stomata, singular )
chloe loves milan
because or else it's composting or worms are eating the leaves ,depends on what kind of leave.