Answer:
No, viruses are not considered cells as they're parasitic and can't live on their own. A virus has to infect living cells in order to survive, so it's not considered a cell.
Answer:
The second arrow (the middle one)
Answer:
don't know if this is right but I think this question is fill in the blank so ALIVE ?
Answer:
Mollusks don't have legs, though some have flexible tentacles for sensing their environment or grabbing things. Most mollusk species grow a hard shell for protection, but their shell grows in only one or two pieces. It doesn't have joints like the exoskeletons of insects and crustaceans
Explanation:
Answer from Go.ogle
