input: OPTIONS:
- Energy
- Five hearts
- critical organs
- resistance
- Energy.
- food and shelter
- fur and fat
- four limbs Now, answer this question: Fact 1: Earthworm burrows help aerate soil, which is also good for plants. Fact 2: An earthworm has five hearts. Given the two facts above, what does the animal that burrows to help aerate soil have?
A:
output: Five hearts

Fact 1: Birds are endothermic tetrapod vertebrates. Fact 2: Legs define Tetrapods. Given the two facts above, what are endothermic vertebrates with legs?

OPTIONS:
- Birds
- mammals
- Snakes
- ducks
- Lizards
- ants
- long
- toads

Answer: Birds

Problem: OPTIONS:
- mammals
- fur seals
- tortoises
- sharks
- animals
- elephants
- snakes
- alpacas
Q: Fact 1: Most reptiles have good eyesight and a keen sense of smell. Fact 2: Snakes are limbless reptiles. Given the two facts above, what have good eyesight and a keen sense of smell?
Answer: snakes

Problem:OPTIONS:
- squids
- animals
- water vapor
- batteries
- humans
- bacteria
- the Sun
- Clams

Fact 1: Living things all require energy for survival. Fact 2: Bacteria are simple, as living things go. Given the two facts above, what require energy for survival?
****
A: bacteria

Fact 1: Darkness has a negative impact on photosynthesis. Fact 2: Light is necessary for photosynthesis, a process that produces oxygen. Given the two facts above, darkness has a negative impact on which process of a plant?
OPTIONS:
- slow and inefficient
- chemical changes
- circulatory systems
- most organisms
- fossil fuels
- Abnormal cell growth
- deoxyribonucleic acid
- Oxygen production
Oxygen production

Fact 1: Acid rain has a negative impact on water quality. Fact 2: Sulfur dioxide causes acid rain. Given the two facts above, water quality can be negatively effected by what? ?
OPTIONS:
- flooding
- Pesticides
- erosion
- contamination
- competition
- Pollution
- sulfur dioxide
- deforestation

Answer:
sulfur dioxide