input: OPTIONS:
- convergence effect
- limitation effect
- extinction effect
- bottleneck effect Now, answer this question: Q: What effect occurs when a population suddenly gets much smaller, due to natural disaster or other cause? A:
A:
output: bottleneck effect

Q: What gives the plant cell strength and protection? A:

OPTIONS:
- the protons
- the cell nucleus
- the genes
- a cell wall

Answer: a cell wall

Problem: OPTIONS:
- four
- two
- one
- three
Q: Q: How many chambers does an amphibian heart have? A:
Answer: three

Problem:OPTIONS:
- stress
- work
- temperature
- friction

Q: What is something that all machines must overcome? A:
****
A: friction

Q: In which type of cells are most organelles not found? A:
OPTIONS:
- endoplasmic cells
- eukaryotic cells
- heterogeneous cells
- prokaryotic cells
prokaryotic cells

Q: What are the narrowest blood vessels, where oxygen is transferred into body cells? A:
OPTIONS:
- arteries
- muscles
- viens
- capillaries

Answer:
capillaries