Wait there's more!
Mutualism: both species benefit
Commensalism: one species benefits, the other is unaffected
Parasitism: one species benefits, the other is harmed
Competition: neither species benefits
Neutralism: both species are unaffected
Not sure if all those are right, but I guess there are many types, more than listed so have fun with this one.
I'll leave the examples up to you.
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