Short Answer TypeWrite the names of the following :
(a) A 15 mya primate that was ape-like
(b) A 2 mya primate that lives in East African grasslands
With the help of an algebraic equation, how did Hardy-Weinberg explain that in a given population the frequency of occurrence of alleles of a gene is supposed to remain the same through generations?
Differentiate between analogous and homologous structures.
| Analogous Organs | Homologous Organs |
| (i) Those organs which are structurally dissimilar but functionally similar are called analogous organs. | (i) Those organs, which are structurally similar but functional dissimilar are called homologous organs. |
| (ii)They lead to convergent evolution. | (ii) They lead to divergent evolution. |
| (iii) Eg. Wings of birds and insects. | Eg. Forelimbs of terrestrial vertebrates such as frog, lizard, bird, bat, horse, man. |
Select and write analogous structures from the list given below:
(i) Wings of butterfly and birds
(ii) Vertebrate hearts
(ii) Tendrils of bougainvillaea and Cucurbita
(iv) Tubers of sweet potato and potato
Multiple Choice QuestionsConvergent Evolution' is shown by
homologous organs
analogous organs
vestigial organs
all of the above
Which of the following statements is correct
Lion and leopard show convergent evolution.
Cryptic camouflage is seen in Biston betularia
Natural selection is responsible for extinction of dinosaurs.
Homo habilis and Homo erectus are closely related.
Analogous structures are a result of
convergent evolution
shared ancestry
stabilising selection
stabilising selection
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