Fact 1: Eyes are used for seeing by animals by sensing light. Fact 2: Mammals are animals with a backbone. Given the two facts above, what do mammals use eyes for?
OPTIONS:
- to sense sound
- to touch things
- focusing a lens
- it needs them
- encoded information
- to sense light
- to sense smell
- food and shelter

Answer: to sense light

Fact 1: Sex hormones are chemical messengers that control sexual development and reproduction. Fact 2: Sex hormones control sexual development in male and female bodies. Given the two facts above, sex hormones are what in male and female bodies?
OPTIONS:
- Something that is self-aware
- more abundant
- allow growth
- production
- consumers
- lymph nodes
- competing for resources
- chemical messengers

Answer: chemical messengers

Fact 1: Preventing the transfer of heat from an organims 's body causes that organism to keep warm. Fact 2: Organic Wool Booties Sweet hand-knit booties help keep little feet warm. Given the two facts above, hand-knit booties help prevent the transfer of heat from what?
OPTIONS:
- a fire's coals
- a stone's surface
- an organism's body
- a dog's bowl
- Greenhouse gases
- energy of moving objects
- they body they live in
- living things

Answer:
an organism's body