The organism shown is a free living one that is anchored to the bottom of ponds and at streams during one stage of its life cycle what is the common name of this organism

1.anemone
2.hydra
3.coral
4.jellyfish

Did you know that a blue wales tongue weighs more than an elephant?

When in solution, a molecule that moves slowly across an artificial membrane moves rapidly across a plasma membrane. this molecule rapidly enters the cell regardless of whether its concentration is higher inside or outside the cell. using this information, which transport mechanism is most likely to be responsible for the movement of the molecule across a plasma membrane? view available hint(s)when in solution, a molecule that moves slowly across an artificial membrane moves rapidly across a plasma membrane. this molecule rapidly enters the cell regardless of whether its concentration is higher inside or outside the cell. using this information, which transport mechanism is most likely to be responsible for the movement of the molecule across a plasma membrane? active transportexocytosis

Does anyone know what the schooling version of sos mean? example