How did Lamarck and Darwin differ in their thinking about species?

How did Lamarck and Darwin differ in their thinking about species? A. Darwin thought that organisms could induce their own changes, while Lamarck thought that change could only be induced by an organism’s environment. B. Darwin thought that change could occur in individual organisms, while Lamarck thought that change could only occur across generations. C. Darwin thought that genes controlled a species’ ability to survive, while Lamarck thought that genes were only one part of a species’ ability to adapt. D. Darwin thought that organisms had to struggle to survive, while Lamarck thought that organisms could make adjustments when conditions became difficult.