Ecological and crude density of fish prey in related with predator. Water level is drop during the dry season and further increases in a rainy season. Following some observation effect are present on their density

 A) Ecological density is not change with respect to water level       

 B) Ecological density is gradually decrease with low water level

 C) Crude density increases over ecological density during low water level             

 D) Ecological density increases while crude density decreases during low water level

 E) There is no effect on crude density with seasonal water level

 Which of the following above observation is correct?

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#Question id: 12299

#Section 1: Ecology

An r-selected species would have what attribute?

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#Question id: 16783

#Section 3: Mathematics and Quantitative Ecology

The range of the data 14, 6, 12, 17, 21, 10, 4, 3 is

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#Question id: 12259

#Section 2: Evolution

Which of the following is an example of exploitation competition? 

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#Question id: 10592

#Section 2: Evolution

Given below are the steps to assess the population size of grasshoppers in a given area, the size of the population is estimated as follows

Which of the following correct combination of parameter?

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#Question id: 3329

#Section 2: Evolution

The following genotypes of one locus in population are given  - Genotype ( Number)

AA (120)  AB ( 30)  BB  (50) CC  (300)

AC  (400)  BC (100)

Which of the following is the correct frequency of C allele and A allele respectively?