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Wild Animals/Behavior Between 2 Species

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Question
A symbiotic relationship, is a relationship where both animals involved benefit. My question is why don't more animals/species capitalize on this opportunity and form symbiotic relationships with other species?

Answer
Dear Zach,

Actually, symbiotic relationships come in three forms:

(1) Mutualism: this is a relationship in which both organisms benefit from one another.

(2) Commensalism: in this symbiosis, one animal benefits while the other is unaffected.

(3) Parasitic: in this relationship, one animal benefits while the other is harmed.

Symbiotic relationships exist everywhere between vastly different species of different domains; e.g., bacteria in the guts of ungulates provide functions vital to the herbivore's digestion, while the ungulates provide the bacteria with nutrients which permit their growth. Ultimately, the development of a symbiotic relationship (or lack thereof) is determined by natural selection.

Regards,

Fady

Wild Animals

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Fady D. Isho

Expertise

I can answer general questions about any and all of the phyla within the kingdom Animalia. I am most knowledgeable on the predatory, reproductive, and intraspecific and interspecific behavior of megafauna, including but not limited to the big cats, ursines, hyenas, canids, and the like. I can also answer some questions about animal conservation, but please do not ask me how to rehabilitate feral animals. Virtually every state in America has a local animal shelter or rehabilitation center that serves that purpose. I would also prefer not to answer questions about hypothetical animal fights.

Experience

I've read about animals for the majority of my life, and have researched and studied them independently and academically.

Education/Credentials
I am a few semesters away from obtaining a B.S. in biology.

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