Author Question: What variable force is most important to adaptation over time? a. founder effects b. genetic ... (Read 72 times)

lindiwe · **on:** Aug 11, 2018

What variable force is most important to adaptation over time?

a. founder effects
b. genetic drift
c. random mutation
d. gene flow

Question 2

Stratigraphy is based on the assumption that layers are deposited in order thus, an artifact or fossil in a lower stratum is _____ one found in a higher stratum.

a. the same age as
b. older than
c. younger than
d. likely to be descended from
e. likely to be unrelated to