Question

question 34 (1 point) single-celled organisms with a nucleus and membrane-bound organelles live in pond water. which kingdom of life is this an example of?

a plants

b animals

c bacteria (eubacteria and/or archaebacteria)

d fungi

e protists

Explanation:

1. Recall the characteristics of each kingdom:

• Plants: Multicellular, autotrophic, have cell walls (cellulose), etc. Single - celled plants are rare and not the typical example here.
• Animals: Multicellular, heterotrophic, no cell walls. Single - celled animals (protozoa) are part of Protista, not the Animal kingdom.
• Bacteria (Eubacteria and Archaebacteria): Prokaryotic (no nucleus, no membrane - bound organelles). The organism in the question has a nucleus and membrane - bound organelles, so not bacteria.
• Fungi: Most are multicellular (yeast is single - celled but fungi have cell walls of chitin, and their mode of nutrition is different from the typical pond - water single - celled organisms with nucleus).
• Protists: Eukaryotic (have nucleus and membrane - bound organelles), can be single - celled, and many live in aquatic environments like pond water. Examples include amoeba, paramecium.

Answer:

e. Protists