Question: the type of decent that explains why all species are linked in a single tree of life
[{'answer': 'phylogenetic', 'provenance': [{'wikipedia_id': '8383637', 'title': 'Tree of life (biology)', 'start_paragraph_id': 4, 'start_character': 260, 'end_paragraph_id': 4, 'end_character': 272, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '8383637', 'title': 'Tree of life (biology)', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 453, 'bleu_score': 0.972407137066537, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1563435788556449189}, 'section': 'Section::::Abstract.'}]}]