Answer: They are responsible for animal migration because the chemicals they contain cause the animals to move to a different environment.
Explanation:
I found this information from https://jeb.biologists.org/content/222/Suppl_1/jeb191890
The nervous system and the integumentary system<span />
Answer:
deforestation is when an area of trees is cleared. reforestation is when a bunch of trees are planted and grown to revive what once was an area of trees.
Their function in living organisms is usually either structure - or storage related.
Hope this helps
