Students will investigate beak variation in a species of birds. They will understand that populations naturally contain variation of traits and how some variations can either be beneficial or detrimental to the survival of organisms within the population.
Each student will role play as a bird and the variation investigated will be type of beak. They will be challenged to pick up objects using their chosen beak and then analyze their level of success. Students will understand that variation may enhance the survival of some members of a population, causing that population to change over time.
The product contains three complete labs that are differentiated for all of your students.
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- Teacher Resource Pages - prep time, standards/objectives, teacher directions, materials, and additional resources.
- Answer Keys - suggested answer keys for the labs
- CER Conclusion and Reflection Questions - Claim, Evidence, and Reasoning statements along with 3 reflection questions per lab.
- All pages are EDITABLE.
3 Differentiated Labs
Dependent Student Lab
- A complete lab. This level is written with a combination of procedural instructions and inquiry questions. They are moderately student-centered with guided inquiry questions throughout the lab. Suggested for on-level learners.
Modified Student Lab
- A complete lab. This level provides the most structured lab experience. The lessons may eliminate parts of the lab and change the questioning to include sentence stems or multiple choice questions. Suggested for learners with modifications.
Independent Student Lab
- A complete lab. This level is the most student-centered experience. Suggestions are made for the students to get started, but most of the decisions will be student-centered. The students will be responsible for most aspects of the lab and will have the least guidance. Suggested for advanced learners.
Materials Needed Per Group:
Pair of tweezers
Large binder clip
2 wooden skewers
Shoebox lid (or similar tray / container – feeding grounds)
4 plastic cups
TEKS: 7.11C - Identify some changes in genetic traits that have occurred over several generations through natural selection and selective breeding such as the Galapagos Medium Ground Finch (Geospiza fortis) or domestic animals.
NGSS: MS LS1-5 - Construct a scientific explanation based on evidence for how environmental and genetic factors influence the growth of organisms.
NGSS: MS LS4-6 - Use mathematical representations to support explanations of how natural selection may lead to increases and decreases of specific traits in populations over time.
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