Which of the following is (are) true of natural selection?

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#Question id: 24241

#Aptitude

The competitive civil-service system is designed to give candidates fair and equal treatment and to ensure that federal applicants are hired based on objective criteria. Hiring has to be based solely on a candidate’s knowledge, skills, and abilities (which you’ll sometimes see abbreviated as ksa), and not on external factors such as race, religion, sex, and so on. Whereas employers in the private sector can hire employees for subjective reasons, federal employers must be able to justify their decision with objective evidence that the candidate is qualified.

The federal government’s practice of hiring on the basis of ksa frequently results in the hiring of employees

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#Question id: 11651

#10. Ecological Principles

Succession on a newly exposed site that was not previously occupied by soil and vegetation refers to

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#Question id: 24141

#Aptitude

METAPHOR : SYMBOL

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#Question id: 750

#1. Molecules and their Interaction Relevant to Biology

In strong acid and at elevated temperatures, for example perchloric acid (HClO4) at more than 100°C, nucleic acids tend to:

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#Question id: 15711

#12. Applied Biology

For the regeneration of a whole plant from a cell or callus tissue, there should be differentiation leading to shoot bud or embryo formation. This may occur through