How do symbiotic relationships develop between two different animal species over time?
In: Biology
Better ELI5 (than my prior comment)
An ice cream man has a car and a lot of ice cream. He needs money, you have money. He recognizes that he can trade you money for his ice cream.
How does he get your attention? He plays music to draw you in.
Never having met an ice cream man you are playing in the front hard with your friends. You hear music, they all go running towards the sound with their money in hand, and come back with a sweet treat.
You are now prepared, you hear the music, you go running, you give your money, and you get a sweet treat.
Now whenever you hear music, you know that you need money to get the treat. That is the relationship. You get a treat and the ice cream man gets money.
This holds true in every yard and whatever ice cream man drives around.
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