input with options: Fact 1: Producers use energy and inorganic molecules to make food. Fact 2: Leaves make food for the plant. Given the two facts above, some producers use what physical feature to use energy and inorganic molecules?
OPTIONS:
- leaves
- sunlight
- solar energy
- sun
- resevoir
- chemicals
- mitosis
- trees
output: leaves

Q: Fact 1: Evolution is a change in the characteristics of living things over time. Fact 2: Almost all physical characteristics are genetic traits, inherited from parents. Given the two facts above, evolution is a change in the genetic traits of living things over what?

OPTIONS:
- universes
- HIV
- long
- extinct organisms
- dead things
- time
- H 2 O
- years

A: time

input: OPTIONS:
- shivering
- four limbs
- Animal fur
- sleep
- sweating
- hibernation
- cold blood
- fur seals Now, answer this question: Fact 1: Mammals can also generate little bursts of heat by shivering. Fact 2: Most mammals can be active even in cold weather because they are warm-blooded. Given the two facts above, which can help warm-blooded animals stay active in cold?
A:
output: shivering

Fact 1: Planting trees has a positive impact on an ecosystem. Fact 2: Thus one important job the squirrel does in the ecosystem is to plant trees. Given the two facts above, what kind of effect does a squirrel have on the ecosystem?

OPTIONS:
- Negative
- Positive
- adding heat
- growth
- food
- Destructive
- Powerful
- support

Answer: Positive

Problem: OPTIONS:
- earthquakes
- water
- magnetism
- threats
- Heart rate
- hormones
- threatened
- heat
Q: Fact 1: Threatening behavior causes a fight-or-flight response in animals. Fact 2: Adrenaline is for emergency use only in a fight and flight situation. Given the two facts above, what is adrenaline a response to?
Answer: threats

Fact 1: Antigens are molecules that the immune system recognizes as foreign to the body. Fact 2: Antigens prompt the body to produce antibodies. Given the two facts above, antigens are molecules that prompt the what of antibodies?

OPTIONS:
- termination
- failure
- humans
- decrease
- production
- anemia
- rapid expansion
- kinetic

Answer:
production