Answer the following question on your PAPER.
Observations:
Draw a line on the graph to the right that compares the amount of lactase enzyme to age.
Answer the following question on your PAPER.
Questions:
If someone is lactose intolerant, that means they CAN // CANNOT break down lactose.
If an individual is lactose intolerant, they DO // DO NOT produce enough lactase enzymes.
As age increases, MORE // LESS people can tolerate (break down) lactose.
Is the ability to break down lactose coded for in DNA? Or does breaking down lactose change depending on the environment? Explain your thinking in 2 sentences.
Sentence STEM:
Option 1: The ability to break down lactose coded for in DNA because ....
Option 2: Breaking down lactose change depending on the environment because ...

Answer the following question on your PAPER.
Observations:
What was the most interesting fact you learned about the arctic fox from the video?
Sentence STEM:
The most interesting fact I learned about the artic fox is....
Answer the following question on your PAPER.
Questions:
During the spring, temperatures are _____________ and fur is _________ in color.
During the winter, temperatures are _____________ and fur is ______________. Having this color fur is helpful during winter because ____________________________________
________________________________________________________________________
Is fur color a trait coded for in DNA? Or do organisms select their fur color based on their environment? Explain your thinking in 2 sentences:
Sentence STEM:
Option 1: Fur color is a trait coded for in DNA because ...
Option 2: Organisms select their fur color based on their environment because ...
Answer the following question on your PAPER.
Observations:
Compare the digestive enzyme in pH 2 vs pH 5. What do you notice?
Sentence STEM:
I notice that...
Answer the following question on your PAPER.
Questions:
Pepto Bismol makes the stomach MORE // LESS acidic than its natural pH of 2 which gives patients MORE // LESS heartburn.
Is heartburn coded for in our DNA, or a result from something in our environment? Explain your thinking in 2 sentences:
Sentence STEM:
Option 1: Heartburn is coded for in our DNA because ...
Option 2: Heartburn is a result from something in our environment because ...
Is the change in the stomach pH permanent? (Does taking this medication, will it alter your DNA?) Explain your answer using evidence collected at this station.
Sentence STEM:
Option 1: The change in the stomach pH is permanent because...
Option 2: The change in the stomach pH is not permanent because...
Answer the following question on your PAPER.
Observations:
Sweating may be gross, but why is it necessary? (How is sweating helpful?)
Sentence STEM:
Sweating is necessary because...
Answer the following question on your PAPER.
Questions:
When it is cold, the sweat gene is ACTIVATED // DEACTIVATED. This means that the gene WILL // WILL NOT be expressed. In this case, the person will be SWEATY // DRY.
When it is hot, the sweat gene is ACTIVATED // DEACTIVATED. This means that the gene WILL // WILL NOT be transcribed. In this case, the person will be SWEATY // DRY.
Is the amount you sweat coded for in your DNA? Or does it change as result from environmental conditions? Explain your thinking in 2 sentences:
Sentence STEM:
Option 1: The amount you sweat is coded for in our DNA because...
Option 2: The amount you seat for is a result from environmental conditions because...
Option 3: The amount you sweat is coded for in our DNA and a result of the environment because...
Answer the following question on your PAPER.
Exit Ticket:
Can environmental factors impact what genes are expressed? Explain your answer using 2 pieces of evidence.
Sentence STEM:
Yes // NO environmental factors impact what genes are expressed because ...
If certain behaviors are coded for in our DNA, could environmental factors change the behaviors we observe? Explain why or why in 2 complete sentences.
Sentence STEM:
Yes // NO environmental factors can change the behaviors we observe because ...