Researchers aboard the h. m.s. challenger discovered over 4000 new species of marine life. true or false

 The given statement is true.

Explanation: The Challenger expedition was a scientific tour that made the discoveries of many marine life. This laid the foundation related to the  oceanography. The whole tour( expedition) was named after the Mother vessel the HMS Challenger, who was leading the expedition.

She travelled more than 70,000 nautical miles in exploring and surveying the marine life which led to the discovery of more than 4000 new species of the marine life.

the peripheral nervous system or pns contains the nerves, which leave the brain and the spinal cord and travel to certain areas of the body. the peripheral nervous system's main job is to send information gathered by the body's sensory receptors to the cns as quickly as possible.

answer; i believe that the correct answer is ; males are hemizygous for the x chromosome;