input: OPTIONS:
- breathe
- water
- oxygen
- a fish
- underground
- salt flats
- air
- jungle Now, answer this question: Fact 1: Most amphibians breathe with gills as larvae and with lungs as adults. Fact 2: Amphibians begin their lives in the water. Given the two facts above, animals that begin their lives in what breathe with gills then move elsewhere breathe with lungs?
A:
output: water

Fact 1: Mutations may change the structure of a chromosome or just change a single nucleotide. Fact 2: DNA is made up of nucleotides. Given the two facts above, what do mutations do to DNA?

OPTIONS:
- It expands
- Damages them
- negative
- Moisturize it.
- Help it.
- Destroy it.
- It decreases
- Change it.

Answer: Change it.

Problem: OPTIONS:
- petals
- colors
- insects
- camouflage
- Energy
- scentless
- lack of color
- pollen
Q: Fact 1: Petals attract pollinators to the flower. Fact 2: Pollination is by flies, wasps, and bees. Given the two facts above, in order to attract flies, wasps, and bees, what does a flower employ?
Answer: petals

Problem:OPTIONS:
- dry
- wet
- arid
- cold
- UV
- warm
- humid
- fern

Fact 1: Plants that are adapted to very dry environments are called xerophytes. Fact 2: Bromeliads and cacti are xerophytes. Given the two facts above, bromeliads and cacti have adapted to very _ environments.?
****
A: dry

Fact 1: Flowers produce spores that develop into gametophytes. Fact 2: Tulips are heavy flowers. Given the two facts above, what produces spores that develop into gametophytes?
OPTIONS:
- plants
- ice
- tulips
- bushes
- orchids
- sunlight
- glaciers
- cacti
tulips

Fact 1: Biomass is the total mass of organisms at a trophic level. Fact 2: Fourty percent of biomass is carbon. Given the two facts above, what is fourty percent of the total mass of organisms at a trophic level?
OPTIONS:
- worms
- carbon
- Energy
- leaves
- blood
- fungi
- Energy.
- food

Answer:
carbon