Fact 1: Being exposed to wind can cause erosion of soil. Fact 2: To many people, soil is nothing but dirt. Given the two facts above, being exposed to what can cause erosion of dirt?
OPTIONS:
- cement
- wind
- deltas
- rocks
- rain
- a building
- rivers
- cars
wind

Fact 1: Ethologists usually study how animals behave in their natural environment. Fact 2: Animals behave according to instinct. Given the two facts above, ethologists study how animals use what in their natural environment?
OPTIONS:
- Energy
- Chlorophyll
- fur
- digestion
- instincts
- lungs
- an object
- Energy.

Answer: instincts

Question: Fact 1: Producers make food from inorganic molecules. Fact 2: Autotrophs are referred to as producers. Given the two facts above, autotrophs make food from what?
OPTIONS:
- Converting waste.
- members of their own species
- Chemical energy
- photosynthesis
- that material's properties
- inorganic molecules
- Organic compounds
- Chlorophyll
Answer: inorganic molecules

input with options: Fact 1: Mutation creates new genetic variation in a gene pool. Fact 2: Influenza viruses mutate. Given the two facts above, what can achieve new genetic variation in its gene pool?
OPTIONS:
- competition
- Most plants
- rocks
- A computer
- influenza viruses
- nothing
- peachleaf willow
- dust
output: influenza viruses

Q: Fact 1: Sponges are a source of food for many species of fish. Fact 2: Sponges are also keystone species. Given the two facts above, what are a source of food for many fish species?

OPTIONS:
- layers of fat
- bird species
- human species
- keystone species
- Organic compounds
- barnacles
- gastropod shells
- species of deer

A: keystone species

Fact 1: Bone provides protection for soft tissues and internal organs. Fact 2: Bone matrix consists of collagen and minerals. Given the two facts above, what provides protection for soft tissues and internal organs?
OPTIONS:
- Blankets
- barnacles
- Epidermis
- mammals
- Collegen
- Animal fur
- a cuticle
- fur and fat
Collegen