<span>Four laws or principles are involved with the study of stratigraphy. They are </span><span>law of original horizontality, </span><span>law of superposition, law of original lateral continuity, and </span>law of cross-cutting relationships
<span>Molecular scientists can read the DNA code and compare the DNA of different organisms. This concept is ude in molecular clocks to determine the Moleular Phylogenies. It is letter B. Hereditary molecular differences are being analyzed in phylogeny which is mainly from the DNA sequence in order to acquire information on the evolutionary relationships of an organism.</span>
A mushroom is a plant, therefore the cell that it has that is different from animal cells would be chloroplasts. However, mushroom also have a specific cells called "fungal cells" which can only be found in mushrooms and fungus.
May I have brainliest please? :)
15. B.
16. G. schlerenchyma cells
17. D. ATP