A. They are autotrophic and multicellular
B. They are heterotrophic and unicellular
C. They have a cell wall made of chitin
D. They are eukaryotic and unicellular
Answer: They are autotrophic and multicellular
What is the defining characteristic of organisms in the kingdom Plantae?
Additional Information: Plants are multicellular, autotrophic organisms that perform photosynthesis.
Subjects: Biological Classification, Biology