Which situation is a good illustration of a biologically resistant species? a) a mule, despite being the product of two different species (a horse and a donkey). b) a staph bacteria in a hospital that is not killed by penicillin or several other antibiotics. c) an alligator. alligators still survive, despite being dated by fossils to the time of dinosaurs. d) a species of african cichlid fish, which is thought to have rapidly evolved, along with 500 other similar species.

B) A staph bacteria in a hospital that is not killed by penicillin or several other antibiotics.

Explanation:

Biological resistance can be defined as the physiology of the organism resists any change desired to cause by a biological and non biological material. For example, a microorganism showing resistance to antibiotic.

On the basis of the above description, B) A staph bacteria in a hospital that is not killed by penicillin or several other antibiotics. is the correct option this is because of the fact that the staph bacteria has attain a biological resistance against the antibiotic penicillin and other antibiotics.

the answer is "a.) well–developed vascular system."

explanation:

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