Which of the following is NOT a criterion used for classifying organisms according to the provided content?

According to the content, which kingdom includes organisms that are unicellular, eukaryotic, and primarily aquatic?

Which kingdom, as described in the content, is characterized by organisms that are multicellular, heterotrophic, and lack cell walls?

What is the primary mode of nutrition for organisms belonging to the Kingdom Fungi, according to the content?

As explained in the content, which of the following is a characteristic feature of the Kingdom Plantae?

Based on the content, which of the following is NOT a major group within the Kingdom Protista?

According to the provided content, which of the following kingdoms includes prokaryotic organisms?

According to the text, what is the primary role of fungi in ecosystems?

Which of the following is a characteristic of viruses, as described in the content?

Based on the content, what is the basis for the five-kingdom classification system?