Scientists used to group fungi with plants. Which of the following is a major factor that determines why fungi are not classified as part of the plant kingdom? (SC.912.L.15.6)

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1 point
a. Fungi do not have leaves.
b. Fungi grow close to the ground.
c. Fungi can reproduce either sexually or asexually.
d. Fungi are heterotrophs, but plants are autotrophs.

d. Fungi are heterotrophs, but plants are autotrophs.