.
16.7 MORPHOLOGICAL EVIDENCES :
16.7 (a)Homologous Organs or Homology :
[Same structure but different function] Homology can be defined at the
relationship between the structures which have similarity due to
common ancestors, although these structures may show difference in
their function. .e.
(i) fore limbs of vertebrates having pentdactyl limbs of similar origin
and similar arrangement of bones,
muscles etc.
(ii) Legs of different insects.
(iii) Teeth of man.
Whale birds Bat Horse
Man
16.7 (b) Analogous Organs or Analogy :
