Arrange the following lists in hierarchical order. leaf, molecule, atom, tree, plant cell, trunk system, leaf tissue.

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.

The green colored pigment in chloroplasts is? a. nitrogen b. chlorophyll c. chlorophorm d. chlorofloromethane

The same agricultural practices are used in every country of the world. select the best answer from the choices provided t f