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Population & Its Attributes: Population Size or Density, Population Attributes - Age Pyramid, Population Attributes - Population Growth is considered one of the most asked concept.
67 Questions around this concept.
Population attribute having a ratio of male to female named:
It is much easier for a small animal to run uphill than for a large animal, because:
A biologist studied the population of rats in a barn. He found that the average natality was 250, average mortality was 240, immigration was 20 and emigration was 30. The net increase in population is:
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Population attribute is/are
A population has more young individuals compared to older individuals. What would be the status of the population after some years?
Pollen grains can be stored for several years in liquid nitrogen having a temperature of
Pollen tablets are available in tha market for:
Pollution refers to:
Order of different age group in the urn-shaped age pyramid for human population will be
Natality refers to
Population Size or Density:
1. Birth Rate or Natality:
2. Death Rate or Mortality:
3. Sex Ratio:
Expansive Pyramid:
Stationary or Stable Pyramid:
Constrictive or Declining Pyramid:
Where,
N = Population density
t = Time,
B = Birth rate,
I = Immigration,
D = Death rate,
E = Emigration
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