Solar flares may be seen in the sun's

What are two reasons for why a species might disappear from the fossil record?

Which medullary index indicates a human hair? a. 0.653 b. 0.733 c. 0.516 d. 0.256

How does the molecular clock work? a. it analyzes the brain functionality of two different species.b. it examines and compares the physical characteristics of two different species.c. it illustrates relationships between two different species.d. it compares the number of mutations that exist in the dna of two different species.