Materials Needed

•  Paper, markers/pens, or a digital tool (free recommendations: Canva Concept Map templates, Lucidspark free tier, CmapTools, or Miro whiteboard).

•  Access to your Week 4 videos.

•  Optional: Mirror/phone camera for personal observation, printed diagrams, or a notebook for reflections.

 

Step 1: Warm-Up & Video Reconnection (10–15 minutes)

Re-watch or review key segments:

•  “Every USELESS Human Organ Evolution Left Behind” (vestigial structures as echoes of the past).

•  Bozeman Science “Coevolution” (ongoing blind pressures and relative adaptations).

•  “What is the RNA World Hypothesis?” (chemistry as the foundation of life’s unfolding).

Quick journaling prompt:

Write 2–3 sentences: “My body feels like a historical document because…”

 

Step 2: Choose Your Body Part (5 minutes)

Select one to map. Suggestions:

•  Beginner-friendly: Appendix, wisdom teeth, tailbone (coccyx), goosebumps, or ear muscles.

•  Deeper dive: Hand/arm (fish-fin origins), spine (bipedalism), eye (inverted retina), or recurrent laryngeal nerve (nerve detour from fish ancestors).

 

Step 3: Research & Gather Insights (15–20 minutes)

Quickly note facts on your chosen part. Focus on:

•  Ancestral function in earlier species.

•  Evolutionary transitions (e.g., fish → tetrapods → mammals → humans).

•  Current role and any imperfections (reduced function, issues, or inefficiencies).

•  Examples of adaptation or exaptation (new uses built on old structures).

Helpful starting points:

•  Recurrent laryngeal nerve: Loops around the aorta due to fish-gill ancestry and neck elongation—no clean shortcut possible. Classic example of constraint.

•  Hand: Bones and digits trace to fish fins (see Tiktaalik transitional fossil).

•  General vestigials: Appendix (once for plant digestion), wisdom teeth (larger jaws), coccyx (tail remnant).

 

Step 4: Build Your Evolutionary Concept Map (30–40 minutes)

Create a visual map with these elements:

Central Node: “My [Body Part] — e.g., Left Recurrent Laryngeal Nerve” (or draw a simple sketch of it on/in your body).

Main Branches (use lines/arrows for “paths”):

1.  Current Form & Function — What it does today. Note any imperfections (e.g., vulnerability to issues, inefficiency, or reduced role).

2.  Evolutionary History/Path — Timeline or lineage: Ancestral state → key transitions → today. Include deep time context (chemistry/RNA World foundations).

3.  Imperfections — Vestigial aspects, trade-offs, or “blind” constraints (e.g., detour due to embryology/development).

4.  Adaptations & “Corrections” — How evolution tinkered: repurposed old parts, incremental improvements, or new functions via exaptation. Highlight relative adaptation without perfect design.

5.  Connections — Links to coevolution, other body systems, environment, or broader life processes.

6.  Personal Layer — How it feels in your body today. Draw or note its location.

Use colors: One for paths (history), another for clearings (insights/imperfections vs. adaptations). Add images, fossils, or comparative diagrams if digital.

Example Starter for Recurrent Laryngeal Nerve:

•  Center: Nerve path diagram (brain → down neck → loop around aorta → back up).

•  Imperfection branch: Long detour (inches in humans, feet in giraffes) vs. direct fish-gill route.

•  Adaptation: Still functions reliably; tied to heart/great vessel development.

 

Step 5: Guided Reflection (15–20 minutes)

Sit with your map and respond to these (write or speak aloud):

•  Echoes of the Past: How does this part show incremental modifications rather than redesign?

•  Ongoing Pressures: What does it reveal about blind, relative adaptation and the absence of final perfection or benevolence?

•  Chemistry as Starting Point: How does tracing this back to deep evolutionary (or molecular) origins change your sense of wonder or embodiment?

•  Personal Clearing: One insight this mapping gave you about struggle, persistence, or your physical self. What “path” feels clearer now?

 

Step 6: Share & Extend (Optional, 10+ minutes)

•  Photograph your map and share in the grove (what surprised you?).

•  Extension ideas: Map a second part next week, or compare yours to a partner’s. Research one fossil or gene connection. Revisit in movement (e.g., feel your tailbone while sitting).

Closing Reflection

Your body is not a finished product but a living archive of paths taken. Those are contingent, layered, and emergent from material reality. By mapping it, you’ve created a personal clearing amid the complexity of evolution. This practice honors the videos’ invitation: to see ourselves as shaped by long processes of mutual adaptation and chemical possibility.

Resources for Deeper Dives:

•  Neil Shubin’s Your Inner Fish (book or PBS series) — excellent for limbs, hands, and heads.

•  Understanding Evolution (Berkeley) or HHMI BioInteractive for diagrams.

•  SciShow or Stated Clearly videos on vestigials and RNA World.

Repeat or expand this workshop as needed. Your maps become part of the grove’s collective clearing. What body part did you choose, and what did the mapping reveal? Share if you’d like refinements or a group version. Enjoy the embodied exploration!