Draw a line through point B that is perpendicular to . Label the intersection of the line and as point D. Take a screenshot of your work, save it, and insert the image in the space below.

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.

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?

Which sentence best describes the relationship between chlorophyll and the chloroplast? a.) chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.