Rats can't climb across the aluminum foil; it keeps the rats from nesting in the tree.
Tree trunks is that trees middle position.
tree trunks have xylem and phloem
yes it does aluminum foil is a hard metal and it is long enough species to climb up It depends on what is climbing up the tree -small boys or insects?. If the latter, they will readily find a way up cracks in the bark underneath the aluminum. Better to use a sticky grease band. A big sheet of aluminum might stop small boys...
Trunks
Lichen is a combination of fungus and algae. It grows on tree trunks.
Algae or mosses live on tree trunks.
Woodpeckers tap on tree trunks. They are looking for insects to eat when they do this. Woodpeckers have a red head.
Tree trunks are straight and branchless in their lower parts in their efforts to grow tall.
The metal strips are on the palm trees to prevent animals from crawling up them. One example is rats, they will gnaw on the coconuts so they will fall to the ground. It's dangerous for people walking below. You can buy aluminum or other metal sheets at home depot.
None.
people eat the fruit from the tree, live in the trunks of the tree and get water from the tree due to the fact it holds water like a cactus
The tree trunks are cylindrical because they grow from the center and outwards. They grow uniformly and this is evident from the rings when the trees are cut.