Science, asked by sumeetbhambra, 10 months ago

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Answered by nayanasrdn11
1

4) 1. The appendix may not be useless after all. The worm-shaped structure found near the junction of the small and large intestines evolved 32 times among mammals, according to a new study. The finding adds weight to the idea that the appendix helps protect our beneficial gut bacteria when a serious infection strikes.

2.Animal ears come in all shapes and sizes. ... They enhance these sounds up to 100 times and leave other pitches ... The human pinna also helps determine sound direction.

5) 1.Morphological data are features of external form or appearance. Provide nearly all the characters used for plant identification. Also useful in phylogenetic studies and other systematic studies. MORPHOLOGICAL DATA HAS ALWAYS, AND STILL IS, THE PREDOMINANT TYPE OF DATA USED IN PLANT SYSTEMATIC STUDIES.

2. Anatomical evidence of evolution focuses on similarities and differences in the body structures of different species. Similarities in anatomical structures of different species signify that the two species have a relatively recent common ancestor. ...

3.Vestigiality is the retention during the process of evolution of genetically determined structures or attributes that have lost some or all of their ancestral function in a given species. Assessment of the vestigiality must generally rely on comparison with homologous features in related species

Answered by manishamallick2003
1

5.1. Morphological evidence -- Morphological data are features of external form . Provide nearly all the characters used for plant identification. Also useful in phylogenetic studies and other systematic studies.

2. Anatomical evidence -- Anatomical evidence of evolution focuses on similarities and differences in the body structures of different species. Similarities in anatomical structures of different species signify that the two species have a relatively recent common ancestor.

3. Vestigial organs -- Vestigiality is the rentation during the process of evolution of genetically determined structures that have lost some of their ancestral function in a given species.

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