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Vertebrate jaws evolved from ________ .a. gill supportsb. ribs
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Vertebrate jaws evolved from ________ .a. gill supportsb. ribsc. scalesd. teeth

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Key Concepts: Vertebrate Jaws, Evolved, Gill Supports, Ribs, Scales, Teeth Explanation: Vertebrate jaws evolved from gill supports, which are found in jawless fish. Step by Step Solution: Step 1. Vertebrates are a subphylum of animals that have a backbone or spinal column. Step 2. Jaws are bony structures that hold teeth and are used by vertebrates for biting and chewing. Step 3. According to evolutionary theory, jaws evolved from the gill supports that were present in jawless fish. Step 4. These gill supports gradually transformed into jaws over time, becoming more adaptable for feeding and defense. Step 5. Therefore, the correct answer is option a) gill supports. Final Answer: a) gill supports
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Question Text
Vertebrate jaws evolved from ________ .a. gill supportsb. ribsc. scalesd. teeth
TopicAll topics
SubjectBiology
ClassClass 11
Answer TypeText solution:1