Multiple choice

Which is a collared cell

  1. Scieroblast

  2. Silicoblast

  3. Chromocyte

  4. Choanocyte

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Choanocytes (also known as "collar cells") are cells that line the interior of asconoid, syconoid and leuconoid body type sponges.