A population will not exist in Hardy-Weinberg equilibrium if:
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The tendency of the population to remain in genetic equilibrium may be disturbed by:
1. | lack of migration | 2. | lack of mutations |
3. | lack of random mating | 4. | random mating |
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COLUMN I | COLUMN II | ||
(a) | Adaptive radiation | (i) | Fast emergence of resistance in bacteria against antibiotics |
(b) | Convergent evolution | (ii) | Bones of forelimbs in Man and Whale |
(c) | Divergent evolution | (iii) | Wings of Butterfly and Bird |
(d) | Evolution by anthropogenic action | (iv) | Dispersion and diversification of Australian marsupials |
(a) | (b) | (c) | (d) | |
1. | (ii) | (i) | (iv) | (iii) |
2. | (i) | (iv) | (iii) | (ii) |
3. | (iv) | (iii) | (ii) | (i) |
4. | (iii) | (ii) | (i) | (iv) |
1. | they all are top predators in a food chain |
2. | they are all herbivores and hence get to feed on large amounts of available primary production |
3. | of lack of competition from any other mammals |
4. | the Australian environment is not conducive for the survival of true placental mammals |
1. | Darwin did not believe in the inheritance of acquired traits while Hugo de Vries did. |
2. | Evolution for Darwin was gradual while Hugo de Vries believed mutation caused speciation. |
3. | Evolution for Darwin was a stochastic process and for Hugo de Vries was a determinist process. |
4. | Fitness for Darwin was reproductive fitness and for Hugo de Vries was physical fitness. |
1. | 200 | 2. | 320 |
3. | 160 | 4. | 240 |
1. | Recapitulation theory | 2. | Baer’s law |
3. | Descent with modification | 4. | Punctuated equilibrium |