SAT Subject Biology Practice Question 43: Answer and Explanation

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Question: 43

2. A unicellular organism contains a Golgi body and ribosomes but lacks a cell wall. It is heterotrophic, ingesting food via phagocytosis. What kingdom does this organism belong to?

A. Animalia
B. Eubacteria
C. Fungi
D. Protista
E. Archaea

Correct Answer: D


Protists include unicellular, eukaryotic organisms that digest food inside the cell. (Fungi, in contrast, carry out extracellular digestion.)

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