question_answer 43)

  Match the following.

Animals	Locomotory Organ
A. Octopus	(i) Limbs
B. Crocodile	(ii) Comb plates
C. Catta	(iii) Tentacles
D. Ctenoplana	(iv) Fins

Answer:

                    a.  (iii)                              b. (i)                                c. (iv)                               d. (ii) (a)Octopus Tentacles are the appendages in invertebrates that are used for grasping food and for locomotion. (b) Crocodile Limbs are used for locomotion, and swimming. (c) Catta Fins Fins are means of locomotion and are used to generate optimum thrust thus controlling the subsequent motion. (d) Ctenoplana Comb plates are locomotory organs formed by strong cilia with fused bases.