Scelta multipla
Which of the following types of organisms usually have cell walls?
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1. Introduction to Biology
Introduction to Taxonomy
Scelta multipla
The protist group that is most closely related to animals is a _________.
A
choanoflagellate
B
euglenoid
C
diatom
D
ciliate
Guida verificata passo dopo passo1
Step 1: Understand the question by identifying the key concept being tested. Here, the question is asking about the protist group most closely related to animals.
Step 2: Recall that protists are a diverse group of eukaryotic organisms, and some share evolutionary traits with other kingdoms, such as animals.
Step 3: Review the characteristics of the protist groups listed in the options: choanoflagellates, euglenoids, diatoms, and ciliates. Focus on their evolutionary relationships and traits.
Step 4: Note that choanoflagellates are known for their similarity to the collar cells (choanocytes) found in sponges, which are simple animals. This evolutionary link makes them the protist group most closely related to animals.
Step 5: Conclude that the correct answer is choanoflagellates based on their shared evolutionary traits with animals, particularly sponges.
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