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What is Life? – Scavenger Hunt Abiotic and Biotic Factors

What is Life? – Scavenger Hunt Abiotic and Biotic Factors. Amanda Dawson BSC 307 Authentic Assessment. Description.

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What is Life? – Scavenger Hunt Abiotic and Biotic Factors

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  1. What is Life? – Scavenger HuntAbiotic and Biotic Factors Amanda Dawson BSC 307 Authentic Assessment

  2. Description After an introduction to the topic of ecology, the students will participate in a scavenger hunt where they will collect specimens in nature. They will sort and classify the specimens into living and nonliving, and based on these classifications they will create a dichotomous key.

  3. Objectives • TSWBAT… • Distinguish between living and nonliving organisms by considering traits that define life. • Organize and categorize collected specimens based on observable traits. • Develop and use a dichotomous key from the collected specimens.

  4. Materials and Preparation • Dissecting microscope or magnifying lenses • Forceps • Collection jar, plastic bags, bucket • Trowel • Cameras for pictures of specimens that cannot be collected

  5. What Was Collected • pine tree, • rock, • robin, • tin can, • deer, • mouse, • dandelion, • clam, • oak tree, • paramecium, • bicycle, • ant

  6. Dichotomous Key Example Dichotomous Key: • 1.a. Organism is living…………………………………………………………………………………………. go to 4. • 1.b. Organism is nonliving…………………………………………………………………………………… go to 2. • 2.a. Object is metallic…………………………..…………………………………………………………….. go to 3. • 2.b. Object is nonmetallic…………………………………..………………………………………………. ROCK. • 3.a. Object has wheels……………………………………………………………………………………….. BICYCLE. • 3.b. Object does not have wheels………………………………………………………………………. TIN CAN. • 4.a. Organism is microscopic………………………………………………………………………………. PARAMECIUM. • 4.b. Organism is macroscopic……………………………………………………………………………… go to 5. • 5.a. Organism is a plant………………………………………………………………………………………. go to 6. • 5.b. Organism is an animal………………………………………………………………………………….. go to 8. • 6.a. Plant has a woody stem……………………………………………………………………………….. go to 7. • 6.b. Plant has a herbaceous stem……………………………………………………………………….. DANDELION. • 7.a. Tree has needle-like leaves………………………………………………………………………….. PINE TREE. • 7.b. Tree has broad leaves………………………………………………………………………………….. OAK TREE. • 8.a. Organism lives on land…………………………………………………………………………………. go to 9. • 8.b. Organism lives in water……………………………………………………………………………….. CLAM. • 9.a. Organism has four legs or fewer………………………………………………………………….. go to 10. • 9.b. Organism has more than four legs…………………………………………….…………………. ANT. • 10.a. Organism has fur………………………………………………………………………………………… go to 11. • 10.b. Organism has feathers………………………………………………………………………………. ROBIN. • 11.a. Organism has hooves…………………………………………………………………………………. DEER. • 11.b. Organism has no hooves……………………………………………………………………………. MOUSE.

  7. Rubric What is Life? – Scavenger Hunt Scoring Rubric Your Name:__________________________________ Partner Name:________________________________ Hour:_______ • At least 10 specimens used in the dichotomous key __________ / 5 • Two choices in each step on the dichotomous key __________ / 2 • The dichotomous key works for all specimens _________ / 5 • The characteristics for all specimens are appropriate __________ / 4 • Living and nonliving specimens are distinguished correctly _________ / 4 • Correct spelling and grammar _________/ 2 • Total: __________ / 25

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