Which of the following triploblastic invertebrates is incorr

Which of the following triploblastic invertebrates is incorrectly matched with the type of body cavity it possesses?

a) Pseudocoelomate - Flatworm

b) Coelomate - Annelida

c) Acoelomate - Platyhelminthe

d) Pseudocoelomate - Nematoda

e) Coelomate - Earthworm

Solution

Answer: a) Pseudocoelomate - Flatworm

Reason:

Trematodes:

Flatworm are coelomates and trematodes are belongs to flatworms & triploblastic with a true body cavity but not a pseudocoelom

These are flatworms and living as internal parasites inside the molluscans, some vertebrates. The life cycle involves two hosts as described below.