The animal population becomes too large for its feeding source or its habitat, its members starve die but humans escape this disaster by
The animal population becomes too large for its feeding source or its habitat, its members starve die but humans escape this disaster by
- A
Immigration only
- B
Emigration only
- C
Transportation of food
- D
Both emigration and transportation of food
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- [AIPMT 1995]
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“In the absence of environmental resistance the population grows in geometrical ratio when the food is given in arithmetical ratio''. This is
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