The condition called parasitism is characterized as a(n) the condition called parasitism is characterized as a(n) nonsymbiotic relationship. relationship between two organisms where one member harms the other. unsuccessful microbial invasion due to the presence of preexisting microbes. relationship between two organisms where both members benefit. relationship between two organisms where only one member benefits and the other is unharmed.

Cold case files recently began re-investigating an old murder case. the murder took place in the park; a young man, james, was hit over the head with a brick and killed. police suspected the jealous former boyfriend of james' wife, karen. whoever killed james may have washed their hands in a near-by bird bath as detectives found blood in the bird bath. since the murder took place before dna fingerprinting was available, the suspected killer, ronnie, went free. detectives are now reviewing the blood evidence using dna fingerprinting. based on the dna fingerprints of all possible suspects, who is james' killer?