Answer:
they have certain functions and or adaptations that allow them to move without spines
Explanation:
<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>
Probably not. some bacteria produce enzymes that break down hemoglobins in RBC.
