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(a) Name two vestigial structures in human beings.

      

(a) Name two vestigial structures in human beings.
(b) Why are some bacteria able to resist the effect of antibiotics?

  

Answers


John
(a) - Caecum

- Nictating membrane

- Appendix

- Tail/ reduce coccyx

- Human body hair

- Ear muscle

(b) They have gene for resistance which is acquired through mutation. when bacteria are exposed to antibiotics for some time, They become used or adapted to living in presence of the drug. The gene is passed to the offsprings therefore establishing a population of drug resistant.
johnmulu answered the question on May 19, 2017 at 05:17


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