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Biology 2 Packet II Lab. Snow Bug Lab Procedure: Read through the lab Copy information on slide 2 in packet. Copy results on slide 3 in packet Answer Questions. Copy this information on bottom of pg. 72 in your Packet:.
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Biology 2 Packet II Lab • Snow Bug Lab Procedure: • Read through the lab • Copy information on slide 2 in packet. • Copy results on slide 3 in packet • Answer Questions.
Copy this information on bottom of pg. 72 in your Packet: • Dirt can vary in pH. Some is acidic (pH 1-6) and some are basic (pH 8-14). • Snow bugs like in dirt and prefer dirt that is basic (pH 8-14). • Snow bugs move quickly when in unfriendly (acidic) environments in hopes to get out. • Snow bugs move slowly when in a friendly (basic) environment because they want to stay • Vinegar is very acidic.
Results • Solution pH: • (100%) Pure Vinegar = 2 • 75% Vinegar = 2.5 • 50% Vinegar = 3 • 75% Vinegar = 4 • Observation Notes: • The larger percentage of vinegar, the faster the snow bugs moved!!!