Which best describes a main difference between organisms in kingdom Fungi and organisms in kingdom Plantae?

a
Organisms in kingdom Plantae are always multi-celled, while organisms in kingdom Fungi are always single-celled.
b
Organisms in kingdom Plantae can be motile for most of their lives, while organisms in kingdom Fungi are non-motile.
c
Organisms in kingdom Plantae are heterotrophs, while organisms in kingdom Fungi are autotrophs.
d
Organisms in kingdom Plantae have chloroplasts in their cells, while organisms in kingdom Fungi do not.

d. Organisms in kingdom Plantae have chloroplasts in their cells, while organisms in kingdom Fungi do not.