Answered

Which factor is not used to define biomes? a. plant structures b. leaf type c. historical similarities d. climate

Verified Answer :

Historical similarities are not a factor that defines biomes because
they are identified with particular patterns of ecological succession to
maintain the state of equilibrium of the local ecosystem that has many
biotopes. Biomes are not defined by genetic or historical similarities
and are different from ecozonas.

sim60

the answer for this is "C".