Question 4(5 points) Which of the following is TRUE about the phylum Molluska?
Ob
Cephalopods are a group of mollusks that include sea stars and sea urchins
Mollusks include clams and sea stars
Mollusks include bivalve, gastropods and cephalopods
Mollusks include sea stars, sea urchins and sand dollars
ос
Od

cell regulation is conducted by special proteins.

examples of nucleic acids are deoxyribonucleic acid (dna) and ribonucleic acid (rna).

the law of original horizontality explains:   why rocks appear in layers. correct answer: b the law suggests that all rock layers are originally laid down (deposited) horizontally and can later be deformed.   the principle is used by geologists to make assumptions about the relative ages of sedimentary rocks.