When mendel crossed pea plants that differed in two characteristics, such as flower color and plant height,?

He found out that one inheritence did not affect the other one or the trait

 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.