App Logo

No.1 PSC Learning App

1M+ Downloads
At which level does natural selection act?

ACellular level

BSpecies level

CPopulation level

DOrganism level

Answer:

C. Population level

Read Explanation:

  • Natural selection is a phenomenon that acts at a population level.

  • Natural selection does not create mutations or variations rather it leads to the extinction of individuals who could not adapt to the changing environmental conditions.


Related Questions:

Which act does the NPDM 2009 align with and build upon?

  1. The NPDM was created to align with and build upon the Disaster Management Act of 2005.
  2. The NPDM aligns with the Environment Protection Act of 1986.
  3. The NPDM is independent of any previous legislation.
    Which Biosphere Reserve is formed due to the delta formed by the confluence of ganges, Brahmaputra, and meghna Rivers ?
    ഒരു ജലാശയത്തിന്റെ മലിനീകരണ തോത് ഇനിപ്പറയുന്ന രീതിയിൽ കണക്കാക്കുന്നതിലൂടെ മികച്ച രീതിയിൽ വിലയിരുത്താം

    Which of the following statements about wildfires are correct?

    1. Wildfire is a broad term that includes forest fires, grassland fires, and bushfires.
    2. These fires can spread very rapidly under conditions of high temperatures and strong winds.
    3. Wildfires are primarily limited to deciduous forests.
    4. They are particularly prevalent in coniferous forests and evergreen broadleaf forests.

      Inverted ecological pyramids are found in:
      (i) Pyramid of number in a forest ecosystem.
      (ii) Pyramid of biomass in a sea.
      (iii) Pyramid of biomass in a grass land ecosystem.
      (iv) Pyramid of biomass in a pond. ecosystem.
      (v) Pyramid of number in a parasitic food chain.