are rate of appearance of new forms and life span inversely proportional?
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No. They are Directly proportional
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The given statement is true. The rate of appearance of new forms is inversely proportional to the life span of the organism.
- The new form of an organism is formed due to mutation in that organism that leads to variation.
- The variation is inversely linked to the life span/cycle of an organism.
- Organisms having a short life span have the potential to multiply after a frequent interval of time (leading to a high degree of variation).
- While organisms with a longer life span show a low degree of variation.
- For example, Micro-organism can multiply rapidly within a few minutes and can give rise to new species that further cause mutation leading to variation in that species.
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