Evidences of Evolution
Morphological evidences - definition and differences between homologous and analogous organs (two examples each from plants and animals).
Embryological evidences - theory of recapitulation, definition and differences between ontogeny and phylogeny.
Palaeontological evidence - definition of fossils.
Shaalaa.com | Evidence of Evolution
Try to trace the various components of human evolution (hint: brain size and function, skeletal structure, dietary preference, etc.)
Find out from newspapers and popular science articles any new fossil discoveries or controversies about evolution.
Identify the following pairs as homologous and analogous organs:
(i) Sweet potato and potato
(ii) Eye of octopus and eye of mammals
(iii) Thorns of Bougainvillaea and tendrils of Cucurbits
(iv) Fore limbs of bat and whale
Select and write analogous structures from the list given below :
1) Wings of butterfly and birds
2) Vertebrate hearts
3) Tendrils of Bougainvillea and Cucurbita
4) Tubers of sweet potato and potato
“Appearance of melanised moths post-industrialisation in England is a classic example of evolution by natural selection.” Explain.