Tunicates are similar to fungi in which characteristic?

• A. Motility
• B. Sessile
• C. Photosynthesis
• D. Multicellularity

Answer: (B)

Sessile growth means being attached to a surface and not moving from place to place. Adult tunicates anchor themselves to rocks or other substrates and filter feed while remaining in one spot. Fungi similarly grow attached to their substrate, spreading through a network rather than moving around. While tunicates do have a short, motile larval stage, the comparison here is about the adult lifestyle, which is sessile and aligns with fungi’s immobility. Photosynthesis isn’t involved in either, and although many organisms are multicellular, there are unicellular fungi as well, so multicellularity isn’t as definitive a shared trait. So, being sessile best explains the similarity.