Sea squirt is a common name for

• (a) Balanoglossus
• (b) Herdmania
• (c) Amphioxus
• (d) None of the above

Sea squirt is commonly referred to as Herdmania. This marine organism belongs to the subphylum Tunicata and is known for its unique filter-feeding system.

Additional Information

Here are some interesting facts about sea squirts:

• They are typically found attached to rocks or other surfaces in shallow waters.
• Sea squirts can change their shape and color based on their environment.
• As adults, they are sessile, meaning they do not move from their location.

Related Organisms

While Herdmania is a sea squirt, other organisms like Balanoglossus and Amphioxus are part of different groups:

• Balanoglossus: A type of acorn worm.
• Amphioxus: A lancelet, which is a primitive chordate.