Final answer:
The type of organism that exhibits the described characteristics is a protist.
Step-by-step explanation:
The type of organism that could exhibit the characteristics of having mitochondria and chloroplasts but no nucleus is a Protist.
Protists are eukaryotic organisms that do not fit into the categories of animals, plants, or fungi. They include a diverse range of organisms, from single-celled organisms such as algae and plankton to larger seaweeds and parasites like Plasmodium, which causes malaria.
While some protists may exhibit characteristics similar to animals, plants, or fungi, they are classified as their own kingdom due to their unique combination of traits.