This is an example of commensalism. It is symbolised as(+/0)
The shark is neither harmed nor benefited by the association.
The remora fish are highly benfitted by protection and food.
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A moutain life zone is basically a moutain ecosystem. Life zones are regions or places where plants and animals live. So, a moutain life zone will be like a moutain lion, or a moutain goat. "Animals and plants that live in that area is a life zone."
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(noun) a division or contrast between two things that are or are represented as being opposed or entirely different.
(botany) repeated branching into two equal parts
Parkinson's Disease which causes your muscles to not be able to relax and causes tremors.
Answer:
Withdrawal methods, breast feeding methods