BIO 152 LAB 2 EXAM PAPER 2026 ESSENTIALS OF ANATOMY AND PHYSIOLOGY II TEST QUESTIONS AND SOLUTIONS

BIO 152 LAB 2 EXAM PAPER 2026 ESSENTIALS
OF ANATOMY AND PHYSIOLOGY II TEST
QUESTIONS AND SOLUTIONS

◉ Cnidaria tissue layers, coelom. Answer: Diploblastic (ectoderm +
endoderm), acoelomate


◉ Cnidaria development. Answer: Neither


◉ Cnidaria digestive system. Answer: Incomplete - gastrovascular
cavity (one opening)


◉ Cnidocytes. Answer: Stinging cells


◉ Mesoglea. Answer: Gel layer between tissues


◉ Two cnidaria forms:. Answer: Polyp (sessile), medusa (free
swimming)


◉ Platyhelminthes. Answer: Flatworms!


◉ Platyhelminthes symmetry. Answer: Bilateral

, ◉ Platyhelminthes tissue layers, coelom. Answer: Triploblastic,
acoelomate


◉ Platyhelminthes development. Answer: Protostome


◉ Playthelminthes digestive system. Answer: Incomplete (one
opening) or absent


◉ Mollusca. Answer: Clams, mussles, scallops, snails, slugs, squids,
octopuses...!


◉ Mollusca symmetry. Answer: Bilateral


◉ Mollusca tissue layers, coelom. Answer: Triploblastic, coelomate


◉ Mollusca development. Answer: Protostome


◉ Mollusca digestive system. Answer: Complete


◉ Mantle. Answer: Layer of tissue that surrounds the mantle cavity
(which is a space of air/water), also makes the shell