Before they attach to a rock they move around in a larval stage, same for anemones and some jellyfish species. There are exceptions to all of our classifications because nature doesn't have to play by any rules besides physics. Even the concept of species has no set definition because no matter what we come up with there are exceptions. Also "seek out" was a bit too specific, they have to take in food from outside themselves as they can't make their own energy like plants.
No trees are plants and fungi are fungi. Animals are multicellular organisms that are mobile and seek out food at a very basic description. Plants are multicellular non mobile that make their own food and fungi are somewhere between that. Closer to animals but not. Then there's the single cell life of bacteria and archea.
Think of it like language, was there ever Latin speaking parents that gave birth to a French speaking child? No, it's a gradual change. Or take a color gradient from blue to red there's a definite change taking place but picking out one specific spot in the middle might be purple
Lead being an element means you would either need to make it radioactively decay somehow(which I'm not sure any form of lead is want to do) or perform some kind of alchemy.
1 ton refers to the cargo capacity in the bed, though that is more of an old naming convention as most of the 1 ton trucks can actually hold closer to 3 tons now.
Supposedly the glued on titanium is the same thing the US Army does for their small Submarines, though I'm sure they found some way to cheap out/fuck up.
He's asking what the dots are because it's not on the real straw hat jolly roger