QR Challenge: Evolution

Created using the ClassTools QR Treasure Hunt Generator

Teacher Notes

A. Prior to the lesson:

1. Arrange students into groups. Each group needs at least ONE person who has a mobile device.

2. If their phone camera doesn't automatically detect and decode QR codes, ask students to

• Download a QR reader (e.g. I-Nigma | NeoReader | Kaywa) onto their mobile devices
• Bring these devices into the lesson.

3. Print out the QR codes.

4. Cut them out and place them around your class / school.

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B. The lesson:

1. Give each group a clipboard and a piece of paper so they can write down the decoded questions and their answers to them.

2. Explain to the students that the codes are hidden around the school. Each team will get ONE point for each question they correctly decode and copy down onto their sheet, and a further TWO points if they can then provide the correct answer and write this down underneath the question.

3. Away they go! The winner is the first team to return with the most correct answers in the time available. This could be within a lesson, or during a lunchbreak, or even over several days!

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C. TIPS / OTHER IDEAS

4. A detailed case study in how to set up a successful QR Scavenger Hunt using this tool can be found here.

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Questions / Answers (teacher reference)

Question	Answer
1. Human proteins have more amino acids in common with chimpanzee proteins than with fish proteins. Is this an example of molecular evidence or embryological evidence?	Molecular Evidence
2. The forelimbs of human, frog, bat, porpoise and horse are ______________ structures	homologous
3. A random event causes near extinction of a species; 95% of the species’ population dies. This is an example of the ____________ effect.	bottleneck
4. A horse has small toe bones behind its hoof, under the skin. They have no purpose or function. Organs with no purpose or function are called ________ structures.	vestigial
5. A bat wing is made of bones, a butterfly wing is made of membranes. Are these wings homologous structures or analogous structures?	analogous
6. A species evolved relatively quickly from its immediate ancestor. Is this an example of punctuated equilibrium or gradualism?	punctuated equilibrium
7. A species evolved very slowly and gradually over millions of years. Is this an example of punctuated equilibrium or gradualism?	gradualism
8. A rapid increase in mammal diversity is called ___________ radiation.	Adaptive
9. A small group of Dutch settlers moved to Africa and formed a colony. This is an example of what effect, bottleneck or founder?	founder.
10. When you think of genetic recombination, you need to think of the ___________ over that happens between chromosomes during meiosis.	Crossing
11. Endosymbiosis is the theory that what TWO organelles are actually ancient bacteria. Hint: They’re the energy creating organelles. Think photosynthesis and cellular respiration.	Mitochondria and Photosynthesis
12. When an population is in Hardy-Weinberg equilibrium, it means the population is NOT _______________.	Evolving

 

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