Protists

• Do they have no true roots, leaves, or stems?

  Yes, no vascular tissue. Thallus = body
• Do they lack stomata and a cuticle?

  Yes, they absorb nutrients directly
• Are they constantly moving?

  Yes, most are motile
• What else do they deal with?

  Light quality, salinity, and a stable temperature
• What is the protist that contains lignin-like compounds?

  coleochaete
• What draws in saline?

  Mannitol in the vacuole