question_answer 63)

  In a sea shore, the benthic animals live in sandy, muddy and. Rocky substrata and accordingly developed the following adaptations. (a) Burrowing (b) Building cubes (c) Holdfasts/peduncle Find the suitable substratum against each adaptation.

Answer:

                  In a sea shore, water current restrict distribution of organisms, In streamed areas of ocean, animals are strong swimmer or possess attaching organs such as peduncle, or live under stone, in burrows etc. Burrowing animals like tubeworm, Nerlies are strong swimmer. Burrowing, building cubes and holdfast or penduncle adaptation are found in sandy, muddy and rocky substratum respectively.