Q2 of 525 Page 239

(a) Identify the organism.

(b) Label the part a1 and 2.


(c) Write the mode the nutrition in this animal.


(a) The figure illustrates liver fluke (Fasciola hepatica).

(b) 1. Oral sucker;


2. Ventral sucker (acetabulum)


(c) Liver fluke is a endoparasite which lives in bile duct of sheep.


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Why whales arc not grouped in the fishes?

 1

Identify the organism in the following figure


(b) Label the parts numbers 1 to 4.


(c) Name the phylum in which notochord is present.


(d) Name the subphylum in which notochord is present throughout life.

 3

(a) To which group this organism belongs?

(b) Label the parts marked 1 to 7.


(c) What is the function of part marked 7?


 1

Wins are absent in bed bug even then it is considered an insect. Why?