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Organisms and Populations question

2004 · Q45
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Organisms and Populations question

2004 · Q45

NEETBiologyOrganisms and PopulationsMCQ+4 / −1
What is a keystone species ?
  1. A
    A dominant species that constitutes a large proportion of the biomass and which affects many other species
  2. B
    A species which makes up only a small proportion of the total biomass of a community, yet has a huge impact on the community's organization and survival
  3. C
    A common species that has plenty of biomass, yet has a fairly low impact on the community's organization
  4. D
    A rare species that has minimal impact on the biomass and on other species in the community
View written solutionFree

Correct answer: B

A keystone species is the one which makes up only a small proportion of the total biomass of a community, yet has a huge impact on the community’s organization and survival.

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