Answer:
✔ D) <em>starfish and sand dollars</em>
** is the correct answer **
Explanation:
is the correct answer crinoids are echinoderms, animals with rough, spiny surfaces and a special kind of radial symmetry based on five or multiples of five.
http://geokansas.ku.edu/crinoids
scientists can test differences of the area with pigmentation by observing which is lighter and which is darker however they use microscope to look the difference of the pigmentation over the cells.
Rosalind Franklin. is the answer
The process of cellular differentiation is a direct result of a differiental