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.
- null - Evidences for Evolution
State a reason for the increased population of dark coloured moths coinciding with the loss of lichens (on tree barks) during industrialization period in England.
Write the similarity between the wing of a butterfly and the wing of a bat. What do you infer from the above with reference to evolution?
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
With the help of any two suitable examples explain the effect of anthropogenic actions on organic evolution.