Lesson summary for:
Investigating Common Descent: Formulating Explanations and Models
Students formulate explanations and models that simulate structural and biochemical data as they investigate the misconception that humans evolved from apes.
National Academy of Sciences
Two class periods.
- Present-day species evolved from earlier species; the relatedness of organisms is the result of common ancestry.
- Similarities among existing organisms provide evidence for evolution.
- Anatomical similarities of living things reflect common ancestry.
- All life forms use the same basic DNA building blocks.
- A hallmark of science is exposing ideas to testing.
- Our understanding of life through time is based upon multiple lines of evidence.
- Scientists use the similarity of DNA nucleotide sequences to infer the relatedness of taxa.
- Scientists use anatomical evidence to infer the relatedness of taxa.
- Scientists may explore many different hypotheses to explain their observations.
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