A) A common species that has plenty of biomass, yet has a fairly low impact on the community's organization
B) A rare species that has minimal impact on the biomass and on other species in the community
C) A dominant species that constitutes a large proportion of the biomass and which affects many other species
D) 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
Correct Answer: D
Solution :
A keystone species is the one which makes up only a small proportion of the total biomass of community.
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