To what kingdom would a single-celled, nucleated, photosynthetic organism belong?

To what kingdom would a single-celled, nucleated, photosynthetic organism belong?
What clues indicate that dogs are more closely related to cats than to lizards?
What features are common and distinct between plants and fungi?
What was the important scientific contribution of Carl Linnaeus?
What are Bryophytes?
Briefly explain the function of xylem and phloem.
What are the unique characteristics of Aves species?
In higher animals, what systems are responsible for homeostasis?