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Competition is best defined in terms of a fall in the fitness of one species measured as its:
AIntrepid rate of interest
BInternal rate of insurance
CInterim rate of inflation
DIntrinsic rate of increase
Answer & Solution
Correct answer: D. Intrinsic rate of increase
1. Competition is not only about a shortage of food.
2. It is defined by a measurable effect on one of the species.
3. Fitness here is measured in terms of r, the intrinsic rate of increase.
4. Competition means that rate is significantly lower in the presence of another species.
_Source: NCERT Class XII Biology, Ch 11 'Organisms and Populations'_
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