Q: Fact 1: Plants respond to daily and seasonal cycles and to disease. Fact 2: Cactuses are one type of succulent plants, although they are usually referred to separately. Given the two facts above, what responds to daily and seasonal cycles and to disease? | OPTIONS:
- bees
- insects
- resistance
- agriculture
- humans
- tortoises
- cactuses
- vegetation
A: cactuses

Q: Fact 1: Hearing is used for sensing sound by animals. Fact 2: Animals utilize sound to localize mates and avoid approaching predators. Given the two facts above, which sense do animals use to avoid predators? | OPTIONS:
- Neuron.
- taste
- hearing
- hormones
- sense of humor
- retina
- the eyes
- deafness
A: hearing

Q: Fact 1: Microorganisms can cause infections. Fact 2: Infection can cause a range of illnesses. Given the two facts above, microorganisms can cause a what of illnesses? | OPTIONS:
- single
- range
- toxins
- bit
- germs
- disease
- death
- one
A: range

Q: Fact 1: Ice wedging is when ice causes rocks to crack by expanding in openings. Fact 2: Freezing water expands cracking and breaking the rocks. Given the two facts above, ice wedging is when freezing water expands and what? | OPTIONS:
- a delta
- breaks rocks
- closes schools
- freezes gas
- destroys toys
- erosion
- solid, liquid, gas
- near the shoreline
A: breaks rocks