Fact 1: Fungi have special structures for penetrating a host. Fact 2: Host specificity was also observed for some fungi and tree species. Given the two facts above, what have special structures for penetrating trees?

OPTIONS:
- Fungi
- flowers roots
- rain
- fungus
- LEDs
- grasshoppers
- ferns
- bamboo

Answer: Fungi

Fact 1: Decomposition increases the amount of nutrients in the soil. Fact 2: Most soil nutrients are cations. Given the two facts above, what gets increased in the soil from decomposition?

OPTIONS:
- sugar
- glycogen
- energy
- bushes
- bamboo
- cations
- bacteria
- Energy.

Answer: cations

Fact 1: Aplant requires food for survival. Fact 2: Food is the ideal source of nutrients. Given the two facts above, what do plants require nutrients for?

OPTIONS:
- growth
- water vapor
- ice
- Energy.
- bloom time
- survival
- Energy
- hurricanes

Answer: survival

Fact 1: Global warming is when worldwide temperature increases. Fact 2: Global warming blamed on CO2. Given the two facts above, what is blamed for temperature increases?

OPTIONS:
- CFCs
- HPV
- soil
- Cars
- wind
- CO2
- water
- nitrogen

Answer:
CO2