Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Chengjiang Fossil Site' has mentioned 'Animal' in the following places:
Occurrence Sentence Text Source
The Cambrian Fossils of Chengjiang, China: The Flowering of Early Animal Life.
Moreover, it demonstrates that complex community structures had developed very early in the Cambrian diversification of animal life, and provides evidence of a wide range of ecological niches.