Answer:
The correct answer is - unicellular.
Explanation:
Dinoflalgllate is the unicellular eukaryotic organism of flagellate protista. These protists are mostly formed marine plankton but can be found in freshwater too. These organisms play the role of primary producers as they are autotrophic in nature.
Whereas the apple plants are multicellular plants with developed tissues and root, stem and leaves.
Thus, the correct answer is - unicellular.
