PLEASE HELP ME!!! 30 points (also marked Brainlest)

Answer:
Explanation:
2-They live in burrows that they dig into the soil. This helps
aerate the soil and improve plant growth.
Crab feeding and burrowing mixes nutrients into the soil,
which is also good for plants. (important)
Fiddler crabs also promote marsh
plant growth that is important for the protection of coastal
cities from hurricanes.