Fact 1: Planting trees has a positive impact on an ecosystem. Fact 2: Human beings live within the world's ecosystems. Given the two facts above, what does planting trees have a positive impact on?
OPTIONS:
- animals
- sun
- humans
- watershed
- stars
- habitat
- earth
- moon
humans

Fact 1: Phytoplankton are bacteria and algae that use sunlight to make food. Fact 2: Sunlight beams down on the different types of algae. Given the two facts above, phytoplankton use what to make food?
OPTIONS:
- sun's heat
- sunlight beams
- refraction of light
- heat energy
- visible energy
- by indirect light
- produce light
- Positive charges

Answer: sunlight beams

Question: Fact 1: Earth 's magnetic patterns are used for finding locations by animals that migrate. Fact 2: Bird Migration and Isotopes Tracking animal migration is a difficult task. Given the two facts above, what uses Earth 's magnetic patterns to find locations?
OPTIONS:
- pigeons
- cats
- rats
- elephants
- Bats
- salmon
- birds
- humans
Answer: birds

input with options: Fact 1: Plants that are adapted to very dry environments are called xerophytes. Fact 2: Succulents, bromeliads and cacti are xerophytes. Given the two facts above, cacti are adapted to what?
OPTIONS:
- the snow
- dry environments
- Animal survival
- survival
- tropical regions
- moist environments
- relocation
- salt and water.
output: dry environments

Q: Fact 1: The digestive system breaks food into nutrients for the body. Fact 2: NUTRIENTS To function, the human body must have nutrients. Given the two facts above, the body needs the digestive system to do what?

OPTIONS:
- Burn calories while exercising
- survival
- Fall asleep easily at night
- Digesting food
- get started
- Absorb food without processing it
- Converted sugar
- Break down food

A: Break down food

Fact 1: Hair is a fiber that is found only in mammals. Fact 2: All mammals are warm-blooded. Given the two facts above, what fiber can be found only in warm-blooded animals?
OPTIONS:
- teeth
- birth marks
- muscle
- taste buds
- hair
- wool
- sugar
- fur
hair