Problem: OPTIONS:
- Energy
- food
- alveoli
- oxygen
- peat
- bushes
- bacteria
- trees
Q: Fact 1: Oxygen is essential for cellular respiration for all aerobic organisms. Fact 2: Fungi are aerobic organisms. Given the two facts above, which needs fungi need to survive?
Answer: oxygen

Problem:OPTIONS:
- tin
- awl
- parchment paper
- an external framework
- Physical force
- energy barrier
- hard outer covering
- Evaporation

Fact 1: Crumple means change shape from smooth into compacted by physical force. Fact 2: Crumple the foil then carefully reopen it. Given the two facts above, what is used to scrunch up foil?
****
A: Physical force

Fact 1: Flatworms belong to the phylum Platyhelminthes. Fact 2: Flatworms have brains. Given the two facts above, something belonging to the phylum Platyhelminthes has what?
OPTIONS:
- alleles
- resistance
- A finger
- parasites
- illness
- An ear
- A toe
- A brain
A brain

Fact 1: Hydrogen bonds cause water to expand when it freezes. Fact 2: Hydrogen bonds Hydrogen bonds are primarily electrostatic in origin. Given the two facts above, something that is primarily electrostatic in origin causes water to expand when it what?
OPTIONS:
- heat
- freezes
- a hazard
- boiling
- moves
- reacts
- expelled
- it's state

Answer: freezes

Question: Fact 1: Cycles of freezing and thawing water cause ice wedging. Fact 2: The fact is that ice seldom freezes or thaws at a uniform rate. Given the two facts above, what is the rate of ice wedging?
OPTIONS:
- In the winter
- erosion
- mechanical
- Physical weathering
- Dilution
- friction
- it fluctuates
- kinetic
Answer: it fluctuates

input: OPTIONS:
- fur and fat
- competition
- mutation
- root growth
- insects
- animals
- trees
- cows Now, answer this question: Fact 1: Mutation creates new genetic variation in a gene pool. Fact 2: Genetic variation is the basis for natural selection. Given the two facts above, what is a basis for natural selection?
A:
output:
mutation