Multiple choice

Keystone species are those which

  1. are connected to a disproportionately large number of other species in the food web
  2. have lower levels of biomass in the trophic pyramid relative to the importance of their role

  1. Only 1

  2. Only 2

  3. Both 1 and 2

  4. Neither 1 nor 2
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A keystone species is a species that is connected to a disproportionately large number of other species in the food web. Keystone species have lower levels of biomass in the trophic pyramid relative to the importance of their role. 

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