Which of the following observations provides the best evidence of a biodiversity crisis?

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#Question id: 11413

#Section 5: Applied Ecology & Evolution

Which of the following is NOT an attribute of a species that makes it vulnerable to extinction?

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#Question id: 9237

#Section 5: Applied Ecology & Evolution

Which of the following factors causes extremely high levels of toxic chemicals in fish-eating birds?

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#Question id: 11852

#General Aptitude

The least number of five digits which is exactly divisible by 12,15 and 18, is :

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#Question id: 11242

#Section 1: Ecology

A disadvantage of sexual reproduction is

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#Question id: 10163

#Section 5: Applied Ecology & Evolution

Some statements regarding C2, C3, C4 and CAM plants

a.) For Sucrose synthesis after C2 C3 and C4 cycle having different procedure

b.) C4  cycle reduces occurrence of C2 which is thermodynamically very expensive and toxic by increasing the assimilation of CO2 at high temperature almost at 35⁰ C

c.) C4 plant is generally found in near to equator  and they are more abundant than C3 plant

d.) In Dark when stomata are closed and CO2 not assimilated in the CAM plants

Which of the following statements from above combination is true?