u/Electrical_Cod5699

Q1

which direction will the drop move and why [?]
Suggest a control variable [1]
Plan investigation (respirometer) [6]
How to calculate rate of respiration[1]
Independent variable [1]
Two other standardized variables [2]
Type of data shown by respiratory substrates [1]
Describe graph and give conclusion or sum [2?]
Suggest why maltose n glucose hv diff rates [2?]

Q2

Why t test is used [2]
State null hypothesis [1]
Calculate degrees of freedom [1]
The calculated value vs critical value q [2?]
Suggest how to time the birds feeding patterns or sum [2]
Outline how the investigation shows the birds are in early stages of sympatric speciation and how to improve confidence in conclusion [4]

someone make a mark scheme 💔

why are we not talking about that one question being out HOURS before the exam???? I was already expecting a high gt now gt is gonna skyrocket??
Cambridge is not real bro