The transition from fish to tetrapods is best described as:…
The transition from fish to tetrapods is best described as: Like most of the great transitions in evolutionary history, it happened in very few big steps so that there are very few intermediate forms. Like most of the great transitions in evolutionary history, it happened in many small steps leading to many intermediate forms. Like no other transition in evolutionary history, it happened in many steps, so there are many intermediate forms. Like most of the great transitions in evolutionary history, it happened in a single step with no intermediate forms.
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