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Lesson summary for:
Understanding Macroevolution Through Evograms

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Overview:
Evograms convey information about how a group of organisms and their particular features evolved. This article explains how to read evograms and delves into the evolutionary history of whales, tetrapods, mammals, birds, and humans.

Author/Source:
UC Museum of Paleontology

Grade level:
13-16

Time:
30 minutes

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

  • Biological evolution accounts for diversity over long periods of time.

  • Present-day species evolved from earlier species; the relatedness of organisms is the result of common ancestry.

  • An organism's features reflect its evolutionary history.

  • The fossil record provides evidence for evolution.

  • There are similarities and differences among fossils and living organisms.

  • Features sometimes acquire new functions through natural selection.

  • The fossil record documents the biodiversity of the past.

  • The fossil record contains organisms with transitional features.

Teacher background:

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