Q 21 bio BMAT 2020

[natalia cipi]

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21 The table below gives some information about the number and biomass of organisms in the
food chain:

rose bush → aphid → ladybird

organism a.ROSE BUSH b.APHID c.LADYBIRD

number of
organism a.1 b.4000 c.50

biomass at each
level
(arbitrary units) a.800 b.200 c.10

What percentage of the biomass in the producer is transferred into the biomass of each
individual secondary consumer, in this food chain?

A 0.025

B 0.0625

C 0.1

D 1.25

E 5.0

F 25.0