Q: Fact 1: Fat is used to keep animals warm. Fact 2: Humans are a new type of animal. Given the two facts above, what uses fat to keep warm? | OPTIONS:
- Lobsters
- bacon
- humans
- pigeons
- insects
- omnivores
- plants
- bears
A: humans

Q: Fact 1: If an animal sweats then that animal 's bodily water decreases. Fact 2: When animals sweat, evaporation of the sweat takes away body heat, thus cooling the animal. Given the two facts above, how do organisms cool off? | OPTIONS:
- down
- shade
- winter
- water
- sweat
- cold
- sleep
- skin
A: sweat

Q: Fact 1: Hearing is used for sensing sound by animals. Fact 2: Sound waves enter the ear, and are then amplified. Given the two facts above, what uses ears to hear? | OPTIONS:
- Stereos
- humans
- TVs
- Animals
- Mammal
- organisms
- pigeons
- Plants
A: Animals

Q: Fact 1: Competition may lead to aggressive behaviors or displays of aggression. Fact 2: Human mating behavior also involves some competition. Given the two facts above, human mating may lead to ? | OPTIONS:
- population decline
- improved eyesight
- earthquakes
- It helps them survive
- heat produced
- aggressive behavior
- produce offspring
- biological diversity
A: aggressive behavior