What is phylogeny? A. How species interact with each another

B. The study of cells.

C. How organisms are related through evolution.

Name the type of chemical that speeds up digestion

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.

Which units ate used to measure both velocity and speed? check all that apply