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Lichen is a combination of fungus and algae. It grows on tree trunks.
Algae or mosses live on tree trunks.
If I understand your question, the answer no. The splotches on tree limbs and trunks are fungi or lichen. Neither is a plant. Another growth on tree trunks is moss, which is a plant but would not normally be described as "splotches"
Not necessarily, it depends on what type of tree it is. Some trees have small trunks and some have big.
Not a plant it can be any tree. And no plants grow on any trunks
Tree trunks is that trees middle position.
tree trunks have xylem and phloem
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.
None.
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.
centimeters
The mangrove trees can have many trunks, but the banyan tree has both multiple trunks and above-ground "prop roots" that can grow vertically and horizontally.
Sometimes