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How is population density calculated?...

How is population density calculated?

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What is population size ?

The total population covered by the T . V . Tower of height 200 m, if the population density around the T . V tower is 10^(3) km^(-2) is (Radius of the earth is 6 . 4 xx 10^(6) m . )

A TV tower has a height of 200 M. How much population is covered by TV transmission if the average population density around the tower is 1000//km^2 ?

Increase in population per unit time is called_____

World population day is

Measuring population density in terms of number is sometimes meaningless or difficult to determine'. Explain with examples how population density is determined in such cases.

Write an equation to calculate population density at time t+1 .

CHETANA PUBLICATION-Organisms and Populatoins-EXERCISE
  1. How is population density calculated?

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  2. Which factor of an ecosystem includes plants, animals and microorganis...

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  3. An assemblage of individuals of different species living in the same h...

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  4. Association between sea anemone and Hermit crab in gastropod shell is ...

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  5. Select the statement which explain best parasitism.

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  6. Growth of bacteria in a newly innoculated agar plate shows…..

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  7. The study of interrelationship between organisms and their environment...

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  8. Environmental factor that determine existences of an organisms is call...

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  9. Habitat together with functions of species constitute its

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  10. Physical space occupied by the organisms is called

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  11. Position of the organisms in the environmental gradient is called

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  12. Two species cannot occupy same niche. The law is

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  13. Individual on one species ocupying a particular geographical area at a...

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  14. Community is defined as

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  15. Which of the following is an indirect ecological factor?

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  16. Biotic factors are

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  17. Praying mantis is good example of

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  18. A bird enters in the mouth of crocodile and feed on parasitic leeches....

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  19. If stronger partner is benefited and the weak partner is harmed is cal...

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  20. Interaction between two organisms of different species in which oneorg...

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  21. An interspecific interaction in which no species is either harmed or b...

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