Page 51 - 11-Bio-10 Kingdom plantae
P. 51

10. Kingdom Animalia                                         eLearn.Punjab

(v) Give the two major classes of the pisces and explain the adaptations of aquatic mode
        of life in fishes.

(vi) Give the adaptations for aerial mode of life in birds. What is their origin.

(vii) What are the general characteristics of mammals? How do the three subclasses
       protheria, metatheria and eutheria differ from one another.

(viii) Distingnish between the following by giving examples
       (a) Radial and Bilateral Symmetry.
       (b) Diploblastic and triploblastic animals.
       (c) Anamniotes and amniotes.

                      51
                                                                            V: 1.1
   46   47   48   49   50   51