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Lesson summary for:
CSI: Olduvai Gorge. The work of Jackson Njau
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This research profile follows paleoanthropologist Jackson Njau as he investigates ancient predators, like crocodiles and large cats, in an effort to understand how these organisms shaped the evolution of our human ancestors.
UC Museum of Paleontology
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Correspondence to the Next Generation Science Standards is indicated in parentheses after each relevant concept. See our conceptual framework for details.
- The fossil record provides evidence for evolution.
- The fossil record documents the biodiversity of the past.
- The sequence of forms in the fossil record is reflected in the sequence of the rock layers in which they are found and indicates the order in which they evolved.
- Scientific knowledge is open to question and revision as we come up with new ideas and discover new evidence.
- A hallmark of science is exposing ideas to testing.
- Scientists test their ideas using multiple lines of evidence.
- Scientists use multiple research methods (experiments, observational research, comparative research, and modeling) to collect data.
- Scientists can test ideas about events and processes long past, very distant, and not directly observable.
- Scientists may explore many different hypotheses to explain their observations.
- Science is a human endeavor.
- Authentic scientific controversy and debate within the community contribute to scientific progress.
- Our knowledge of the evolution of living things is always being refined as we gather more evidence.
- Scientists use fossils (including sequences of fossils showing gradual change over time) to learn about past life.
- Scientists use physical, chemical, and geological evidence and comparative anatomy to establish the age of fossils.
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