Alex is examining a mollusk. It has filter-like structures for feeding, and it moves using a muscular foot. which mollusk is alex most likely examine?
a) a clam, which is a bivalve
b) a clam, which is a cephalopod
c) a nautilus, which is a cephalopod
d) a nautilus, which is a bivalve

Dna. we have heard that we are a product of our dna. but where is it? how do we "get" our dna? it is passed to us, from our parents, but in what form? several vocabulary words associated with inheritance are used interchangeably and sometimes, incorrectly. let's see if you can clear this up for someone just learning about inheritance and cell structure.