input: OPTIONS:
- turning motion
- pushing motion
- shaking motion
- spinning motion Now, answer this question: Q: What is observed when two perpendicular flagella moves? A:
A:
output: spinning motion

input: OPTIONS:
- mitochondria
- vacuoles
- plasma membrane
- microfilaments Now, answer this question: Q: What thickens the cortex around the inner edge of a cell? A:
A:
output: microfilaments

input: OPTIONS:
- notochord
- skull
- spinal cord
- vertebral column Now, answer this question: Q: What do vertebrates possess that is made up of repeating bony units? A:
A:
output:
vertebral column