Scientists Observed That Marine Bryozoan Fossils Lack Intermediate Forms

Multiple Choice

Scientists observed that marine bryozoan fossils lack intermediate forms.This evidence supports which hypotheses? Check all that apply.

A) Evolution occurs in spurts,alternating with long periods of little change.
B) Evolution proceeds steadily,with gradual,incremental change in a given evolutionary line.
C) There is variability in the rate of evolution.
D) Evolution proceeds at a constant rate that is the same for all organisms.