Mississippi Science E.8.7.3
The Standard
- E.8.7
- Students will demonstrate an understanding of geological evidence to analyze patterns in Earth’s major events, processes, and evolution in history.
Construct and analyze scientific arguments to support claims that most fossil evidence is an indication of the diversity of life that was present on Earth and that relationships exist between past and current life forms.
2026 Mississippi College- and Career-Readiness Standards for Science · Earth’s Structure and History
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students compare fossils with living organisms, noting body parts they share and features that differ. They use those details to explain that many kinds of organisms lived long ago and that some may be related to organisms alive now.
What Mastery Looks Like
- A student can point to different structures in a fern fossil and a trilobite fossil as evidence of varied past life. They can compare a fossil fern with a living fern and explain why shared features suggest a relationship, not direct ancestry.
Common Misconceptions
- Students may think every fossil comes from an extinct animal. They may assume a fossil that looks like a living organism must be its direct ancestor, or that every past organism left a fossil.
How to Assess It
- Show pictures of a fossil fern, a trilobite, and a living fern. Ask: "What shows that past life was varied, and which fossil may be related to the living fern? Use two visible details."
Lesson moves
Ways to Teach It
Give pairs printed fossil fern, trilobite, and shell cards; have them sort by visible features, then match the fern to a living fern photo.
Show an ammonite fossil and a nautilus photo; ask, "What shared features suggest a relationship, and why can't we claim direct ancestry?"
Play fossil match: teams pair fossil and living-organism cards, earning a point when they name a shared structure and explain what it suggests.
Show a museum fossil photo beside a living-organism photo; have students write an exhibit label naming one shared trait and one difference.
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Printable E.8.7.3 Worksheet
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Related Standards
- L.3.4.5
Construct scientific arguments using evidence from fossils of plants and animals that lived long ago to infer the characteristics of early environments (e.g., m...
- FB.5.2
Analyze and interpret data to support claims that different types of fossils provide evidence of the diversity of life that has existed on Earth and of the rela...
- E.8.7.1
Use scientific evidence to create a timeline of Earth’s history that depicts relative dates from index fossil records and layers of rock (strata).
- ESS.3.8
Analyze and interpret the record of shared ancestry, evolution, and extinction as related to natural selection using fossils.
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