input with options: Q: Wings of bats and birds serve the same function. which body part should you study to understand ancestral differences? A:
OPTIONS:
- skull size
- skin and feathers
- skin inside wings
- bones inside wings
output: bones inside wings

input with options: Q: What are vesicles made of? A:
OPTIONS:
- cells
- membranes
- filaments
- phospholipids
output: phospholipids

input with options: Q: Atomic orbitals from different atoms overlap to form what? A:
OPTIONS:
- plasma orbitals
- space orbitals
- planet orbitals
- molecular orbitals
output: molecular orbitals

input with options: Q: Radiometric dating methods, such as carbon-14 dating depend on what type of decay? A:
OPTIONS:
- microwave
- carbon
- nuclear
- radioactive
output:
radioactive