Both Darwin and Lamarck proposed mechanisms by which species might evolve. Although Darwin
first published his ideas in the mid-1800s, most scientists continued to favor Lamarck's explanation
until near the end of that century. What was the most likely cause of the eventual shift from
Lamarck's hypothesis to that proposed by Darwin? (5 points)

lamarck's ideas was just plain dumb so people had to figure out what lamarck's theory was talking about be he said that giraffe had to stretch their neck to reach the leaves until their neck stayed the same so people just focused on what lamarck was talking about

Explanation:

i think it would be b. tissue because an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.