Botany - Animal Kingdom Question with Solution | TestHub
Read the features given below and select the option for animals which correctly describes the features mentioned:
I. All are exclusively marine, triploblastic, coelomate organism with a water vascular system.
II.A small group of worm-like marine animals with the organ system levels of the organization.
III. The body is covered by a calcareous shell and is unsegmented with a distinct head, muscular foot, and visceral hump.
IV. Triploblastic, pesudocoelomate animals in which alimentary canal is complete with a well developed muscular pharynx.
Options:
Answer:
Solution:
Echinodermata are the exclusively marine, triploblastic, coelomate organisms with a water vascular system (Asterius, ophiura). In Mollusca body is covered by calcareous shell and is unsegmented with a distinct head, muscular foot, and visceral hump (Pila, Sepia). Hemichordates are a small group of worm-like marine animals with organ system level of organization (Balanoglossus, Saccoglossus). Triploblastic, pesudocoelomate animals in which alimentary canal is complete with a well developed muscular pharynx is seen in Aschelmenthis with Ascaris as example.
