Answer:
vertebral column
Explanation:
A lamprey's body has smooth, scale-less skin and two dorsal fins, but has no lateral line, no vertebrae, no swim bladder, and no paired fins.
Tuna is vertebrate.
Answer:
17)c: the reactivity of a metal.
Explanation:
<span>the first major step for the dan replication to take place is the breaking of hydrogen bonds between bases of the two antiparallel strands </span>
