Because you have always been fascinated by spiders and bacteria, you decide to study the microbiome of a species of spider that is locally abundant. you are able to cultivate many bacteria from the spiders gut in the lab, and the spiders do not appear to be negatively affected by treatment with antibiotics that you know will inhibit the growth of these bacteria. based on this evidence, which of the following types of symbiotic relationships do you suspect might be occurring between the spider and the bacteria? a. cooperativeb. mutualisticc. commensalisticd. ammensalistic