An orchid has a commensal relationship with a tree, meaning that it does not harm or benefit the tree. The orchid uses the tree as a platform to grow and access sunlight, water, and nutrients.
On the other hand, mistletoe has a parasitic relationship with a tree, meaning that it harms the tree by penetrating its bark and sucking out water and nutrients. Mistletoe can weaken and even kill its host tree over time if left unchecked.
What is the difference between an orchid's relationship with a tree and a mistletoe's relationship with a tree?
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