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Multiple Choice
Which of the following best describes flagellates within the domain Eukarya?
A
They are eukaryotic organisms that move using one or more whip-like flagella.
B
They are prokaryotic organisms that lack a nucleus.
C
They are multicellular fungi that form hyphae.
D
They are eukaryotic organisms that reproduce only by binary fission.
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Verified step by step guidance
1
Step 1: Understand the domain Eukarya, which includes organisms with cells that have a true nucleus and membrane-bound organelles.
Step 2: Recognize that flagellates are organisms characterized by their use of flagella, which are whip-like structures used for movement.
Step 3: Recall that flagella in eukaryotes are structurally different from those in prokaryotes and are used for locomotion in many single-celled eukaryotic organisms.
Step 4: Eliminate options that describe prokaryotic organisms (which lack a nucleus) or multicellular fungi (which form hyphae), as these do not fit the description of flagellates within Eukarya.
Step 5: Confirm that the best description is that flagellates are eukaryotic organisms that move using one or more whip-like flagella.