Which trait below is unique to animals, and not found in closely related protists. Which trait below is unique to animals, and not found in closely related protists. Cellular differentiation Cell to cell communication pathways Distal enhancers Cell adhesion proteins
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INTRODUCTION Animals represent a monophyletic group within the opisthokonts. The sister group of the animals is the unicellular protists called choanoflagellates. The following characteristics group the animals. 1. Multicellular heterotrophs 2. No cell walls 3. Two unique types of cells: muscle and nerve 4. Sexual reproduction 5. Homeotic genes called Hox genes Which of the characteristics listed above are synapomorphies for the animals?
Sri K.
One of the characteristics unique to animals is multicellularity. None of these characteristics are unique to animals. Flagellated cells. Sexual reproduction.
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What synapomorphy (shared, derived trait) distinguishes animals as a monophyletic group, distinct from choanoflagellates? a. multicellularity b. coloniality c. heterotrophy d. movement
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