Question

Which group of organisms has the derived characteristics of true tissues, bilateral symmetry, and a pseudocoelom? sponges roundworms annelids chordates

Answer 1

pretty sure it is answer b

Answer 2

The correct answer is option B, Round worms

Reason -

Round worm belong to the Phylum Nematoda which has the following characteristics –

1. They have a tissue system which has three layers –

a) Surfaces covering tissues

b) Internal tissues

c) Tissues forming the lining of the digestive system

2. They are bilaterally symmetrical

3. They have a complete digestive system with a distinct mouth and anus and thus are referred to as pseudocoelomates