Q: Fact 1: Echinoderms use pheromones to communicate with each other. Fact 2: Starfish and sea urchins are also echinoderms. Given the two facts above, what uses pheromones to communicate with each other? | OPTIONS:
- starfish
- bees
- bacteria
- honeybees
- density
- humans
- h2o
- insects
A: starfish

Q: Fact 1: Animals can communicate with sounds, chemicals, or visual cues. Fact 2: Cows are social animals. Given the two facts above, what can communicate with sounds, chemicals, or visual cues? | OPTIONS:
- sheep
- cows
- bats
- Birds
- koalas
- humans
- camels
- bears
A: cows

Q: Fact 1: Evaporation of sweat uses energy, and the energy comes from body heat. Fact 2: When sweat comes in contact with the skin it is cooled as the sweat evaporates. Given the two facts above, energy leaves from what when sweat contacts with skin? | OPTIONS:
- radiation
- heat energy
- expelled
- vapors
- body heat
- heat produced
- conduction
- metal
A: body heat

Q: Fact 1: Biodiversity generally increases from the poles to the equator. Fact 2: Soil Biodiversity Soil biodiversity reflects the mix of living organisms in the soil. Given the two facts above, the mix of living organisms generally does what from the poles to the equator? | OPTIONS:
- produce light
- decreases
- migrate
- increases
- reproduce
- stops
- allow growth
- spreads
A: increases