Concept:The plant characteristic in the organism is shown by the presence of chloroplasts.
Explanation:The diagram shows an organism such as
Euglena, which has both plant and animal features.
It moves actively like an animal, which is an animal-like feature.
However, it also contains chloroplasts.
Chloroplasts contain chlorophyll, which enables the organism to carry out photosynthesis.
Photosynthesis is a plant-like characteristic.
In the diagram, the organelle labelled III is the chloroplast.
The other labels, I, II, and IV, are not the plant-like organelle.
Answer:C. III