Read the following statements (A-D) and identify them as true (T) and false (F).
(a) | T | T | T | T |
(b) | T | T | F | T |
(c) | F | T | F | T |
(d) | F | F | F | T |
Text Solution
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• Lamarck proposed inheritance of acquired characters (giraffes stretched their necks to reach leaves → longer necks inherited), not natural selection by nature.
• Darwin said that variations, which are heritable and which make resource utilisation better for few, will enable only those to reproduce and leave more progeny. This is essentially Darwin's idea of natural selection.
• Microbes evolve rapidly due to short generation times, while higher animals (fish, birds) take much longer.
• Humans selectively bred dogs for desired traits.
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