Goswami disagrees with the Darwinian concept of canalized behavior. What are his main criticisms of the inheritance of acquired characteristics? (Select all that apply)
a. There is no evidence that learned behavior is passed down to descendants.
b. The Darwinian evolutionary process is very fast and can manifest in a few generations
c. The feasibility of producing genetic assimilation through a Darwinian step-by-step process in the relatively short time available is questionable.
d. The availability of prolonged environmental stress to produce canalization over an entire species population is unlikely.