'When alive' presentation slideshows

200

Invertebrates 1. Invertebrates 2. Invertebrates 3. Invertebrates 4. Hodge Podge. 100. 100. 100. 100. 100. 200. 200. 200. 200. 200. 300. 300. 300. 300. 300. 400. 400. 400. 400. 400. 500. 500. 500. 500. 500. More than 98% of animals fall into this phylum.

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Determining Absolute Age

Determining Absolute Age. Chapter 8.2. Absolute Dating Methods. Rates of Erosion Scientists can estimate age based on a rate of erosion Practical only for geologic features that formed 10,000 to 20,000 years ago. Ex. Niagara Falls (eroding at a rate of about 1.3 m per year).

272 views • 9 slides