3. The scientist asked- How did a Fish with fins give rise to a tetrapod with 4 legs? After asking this question, what do scientists do to try to find the fossils that can help answer that question?

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.

answer; (a) medicalized;

label a.   prophase

label b. metaphase

label c: anaphase

label d: telophase