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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

The density of a population in a habitat per unit area is measured in different units. Write the unit of measurement against the following: Fish - Biology

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प्रश्न

The density of a population in a habitat per unit area is measured in different units. Write the unit of measurement against the following:

Fish

एक शब्द/वाक्यांश उत्तर
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उत्तर

Fish - Wt. / area

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पाठ 13: Organisms and Populations - SHORT ANSWER [पृष्ठ ९३]

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एनसीईआरटी एक्झांप्लर Biology [English] Class 12
पाठ 13 Organisms and Populations
SHORT ANSWER | Q 9.d. | पृष्ठ ९३

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संबंधित प्रश्‍न

How does an age pyramid for human population at given point of time helps the policy-makers in planning for future.


"Analysis of age-pyramids for human population can provide important inputs for long-term planning strategies." Explain.


List the attributes that populations but not individuals possess.


Answer the following question.
"The size of a population for any species is not a static parameter." Justify the statement with specific reference to fluctuations in the population density of a region in a given period of time.


Mention the different ways by which the population density of different species can be measured.


Nutrient enrichment of water body result.


Population having large number of postreproductive and small number of prereproductive age group is called


Age distribution in a population can influence


Which one of the following organisms reproduces sexually only once in its lifetime?


The density of a population in a habitat per unit area is measured in different units. Write the unit of measurement against the following:

Bacteria


The density of a population in a habitat per unit area is measured in different units. Write the unit of measurement against the following:

Deer



What type of population growth is represented by the above age pyramid?


Draw an age pyramid for the ‘zero population growth rate’.


An individual and a population has certain characteristics. Name these attributes with definitions.


The following diagrams are the age pyramids of different populations. Comment on the status of these populations.


Write the best method to measure the population density of a single Banyan tree in comparison to Partlzenium weeds in a forest by an ecologist. Explain and justify your answer.


What would be the best method to measure the total population density of a dense bacterial culture in a petridish and why?


The number of lily plants in a pond was found to be 50. After one year, the number. increased to 65. Calculate the natality of lily plants.


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