(i) Select the homologous structures from the combinations

cbse-class-12

#1

(i) Select the homologous structures from the combinations given below:
(a) Forelimbs of whales and bats
(b) Tuber of potato and sweet potato
© Eyes of octopus and mammals
(d) Thorns of Bougainvillea and tendrils of Cucurbita
(ii) State the kind of evolution they represent.


#2

(i) Homologous structures are:
(a) Forelimbs of whales and bats; and
(d) Thorns of Bougainvillea and tendrils of Cucurbita.
(ii) They represent divergent evolution. The same structures developed along different directions due to adaptation to different needs.