value: 3.70 points Why would taxonomists think that vertebrate animals (such as

Question

value: 3.70 points Why would taxonomists think that vertebrate animals (such as mammals) are more closely related to a sea star than an octopus? After all, the octopus has a brain, well developed eyes and other attributes that seem more like vertebrates O The reason stems from early embryological development patterns that sea star and vertebrates have in common. O It is because of the structure of the skin of sea star O The reason stems from the fact that the original vertebrates had pentaradial symmetry. O Sea stars were the first to evolve terrestrial forms that could be the original vertebrate type. References eBook & Resources

Explanation / Answer

Hi,. The answer is option A.

The mammals and sea urchin both belong to deuterostome. The octopus belongs to proteostome. These differences arise from development of embryos, the deuterostomes are bottom first and the proteostome are head first.

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