Question

What is it called when certain species have evolved such intimate symbiotic

Answer 1

Answer A................

Answer 2

Answer:

A. Obligate

Explanation:

An obligate relationship is one where both organisms are interdependent with one another in a way that one cannot survive without the other.

A parasitic relationship is where one organism benefits, and the other is harmed.

A mutualistic relationship is one where both organisms "work together," therefore benefiting one another.

A facultative relationship is where both species benefit off of one another, but are not fully dependent on one another to the point they cannot survive without their symbotic partner.