Evidence for Change This PPT accompanies part 4 of the packet “Evidence of Change” Use the visuals to make sense of the ideas in the packet about “Vestigial.

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Presentation transcript:

Evidence for Change This PPT accompanies part 4 of the packet “Evidence of Change” Use the visuals to make sense of the ideas in the packet about “Vestigial Structures”

FRIDAY!!!! 10/16 Materials needed: *Writing Utensil *New packet given out momentarily Do Now: Without peeking under sticky notes, guess which animal is which…. Agenda Complete “Evidence of Change” Part 1-2 Return tests & go over challenging questions (Last 10 minutes)

Vestigial Structures

What are vestigial structures? Body parts that don’t seem to have a function Seem to be disappearing over time

Part 3: Vestigial Structures whale hip bones…

Vestigial Structure These are body parts that have become useless as organisms change their lifestyle, slowly they disappear

Cave Fish vs. Minnow

Coccyx (tail bone)

Appendix

Muscles that Move the Ear

Little Toe

Wisdom Teeth

Ideas the come up in part 5

Packets out please! Please read through the last question on page 8 of the “Evidence of Change” packet. We’re going to tackle this question and turn in the packets ASAP!

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