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Resource library Teaching materials Evolution 101

Lesson summary for:
What Came First?

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Overview:
Students sequence actual events in the history of life on Earth and place them on a large timeline.

Author/Source:
UC Museum of Paleontology

Grade level:
6-8

Time:
50-60 minutes

Teaching tips:
We recommend preceding this activity with "Sequencing Time" - an activity in which students assign relative and numerical times to events in their lives to understand how scientists developed the Geologic Time Scale.

Concepts:
Correspondence to the Next Generation Science Standards is indicated in parentheses after each relevant concept. See our conceptual framework for details.

  • Through billions of years of evolution, life forms have continued to diversify in a branching pattern, from single-celled ancestors to the diversity of life on Earth today.

  • Scientists use fossils to learn about past life. (LS4.A, ESS1.C)

Teacher background:

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