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The keystone species in an ecosystem are...

The keystone species in an ecosystem are those which :

A

are present in large number

B

are most frequent

C

attain a large BOTmas

D

contribute to ecosystem properties

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • What is keystone species ?

    A
    A common species that has plenty of biomass, yet has a fairly low impact on the community's organisation.
    B
    A rare species that has minimal impact on the biomass and no other species in the community.
    C
    A dominant species that constitutes a large proportion of the biomass and which effects many other species
    D
    A species which makes only a small proportion of the total biomass of a community, yet has a huge impact on community's organisation and survival

  • Ecosystem is a

    A
    both open and closed unit depending upon biomass present
    B
    closed unit
    C
    open unit
    D
    both open and closed unit depending upon community

  • An ecosystem is not a /an

    A
    open system
    B
    closed system
    C
    variable system
    D
    None of the above

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