Evolution

Which of the. following is a main point of Lamarck's idea of biological change over time?

a. Organisms produce more offspring than can survive, so they compete for limited resources.

b. Individuals of a population vary extensively, and some of this variation is heritable.

c. All body parts not used will eventually disappear.

d. Individuals that are better suited to local conditons survive to produce offspring.

e. Processes for change are slow and gradual, and Earth is much older than 6000 years