AIPMT 2004 Biology Solved Paper

Question : 4 of 100

Marks: +1, -0

What is a keystone species?

A common species that has plenty of biomass, yet has a fairly low impact on the community's organization
A rare species that has minimal impact on the biomass and on other species in the community
A dominant species that constitutes a large proportion of the biomass and which affects many other species
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

Go to Question:

Prev Question

Next Question