symbiosis-

symbiosis is the relationship between two species of animals who live in the same environment together.
symbiosis can be when an organisms lives together with another organism and they help each other survive.
another type of symbiosis is when a parasite live with a host and harms the host but it helps the parasite.
the last type of symbiosis is when two organisms live together in the same environment and one helps the other while the other does not get the negative or the positive effects.
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