42. Which of the following statements is FALSE? A) Both the lensed cephalopod ey

Question

42. Which of the following statements is FALSE? A) Both the lensed cephalopod eye and the vertebrate eye can focus B) The lensed cephalopod eye can change the position of their lens and the vertebrate eye can change the shape of their lens C) The lensed cephalopod eye and the vertebrate eye evolved independently from each other. D) None of the above statements is false 3. Why are ossicles, spines, etc of echinoderms covered by skin? A) Skin quickly covers the ossicle when they are formed on top of the skin. B) Ossicles are produced by a tissue layer that is located underneath the top layer of skin. C) Ossicles are produced by the gastric mill inside the stomach D) None of the above explains correctly why ossicles are covered by skin tissue. 44. Which of the following taxa do not have species that occur in plankton as adult? A) Chaetognatha B) Acanthocephala C) Hydrozoa D) Tunicata

Explanation / Answer

42. D) None of the above statements is false.

43. B) Ossicles are produced by a tissue layer that is located underneath the top layer of skin. They are derived from mesodermal tissue.

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