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Geology assignmentThis question is related to the origin of animals (25 points total).a.Outline the different types of evidence that geologists and biologists use to try to determine when animals (metazoans) first evolved, and compare these estimates to one another. Be sure to identify the primary data/observations that are used to make different estimates. Also discuss potential problems/biases with the different approaches (types of evidence) you describe. (15)b.What significant environmental changes and events are believed to occur in the time window between the earliest evidence of animals in the geologic record and the Cambrian explosion? (5)c.How might these environmental changes and the evolution and development of animals be interrelated, try to give evidence to support the various claims. (5)use linkhttps://drive.google.com/drive/folders/0Bwpah9rVB__KdERjblBOQnRqSE0?

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