Q: Fact 1: Reptiles are a class of tetrapod vertebrates that produce amniotic eggs. Fact 2: Crocodiles, snakes, and lizards are all types of reptiles. Given the two facts above, what is an example of a tetrapod vertebrate?

OPTIONS:
- genus
- Leeuwenhoek
- a fish
- crocodile
- animals
- four limbs
- warm-blooded
- graptolites

A: crocodile

input: OPTIONS:
- backbone
- tissue
- alveoli
- life
- heat energy
- a cuticle
- food
- shell Now, answer this question: Fact 1: Mollusks are invertebrates such as the common snail. Fact 2: Invertebrates have no backbone. Given the two facts above, what do mollusks not have?
A:
output: backbone

Fact 1: Earth 's tilt on its rotating axis causes seasons to change. Fact 2: Whatever the season wet weather and cold weather clothing is essential. Given the two facts above, earth's tilt on its rotating axis causes what?

OPTIONS:
- global warming
- dry conditions
- temperature
- wet and cold weather
- absence of stars
- disappearance of the moon
- lack of weather
- converting electricity to heat

Answer: wet and cold weather

Problem: OPTIONS:
- pain
- the environment
- heat or cold
- movement
- survival
- Cross breeding
- shopping
- Salt water
Q: Fact 1: Organisms that live in marine biomes must be adapted to the salt in the water. Fact 2: Mainly marine, some crabs live in fresh water or on land. Given the two facts above, what are some crabs adapted to?
Answer: Salt water

Problem:OPTIONS:
- aqueous solution
- barrel-shaped
- Calcium carbonate
- Greenhouse gasses
- hidden caves
- a solute
- swamp vegetation
- a hydraulic system

Fact 1: Acavern is formed by carbonic acid in groundwater seeping through rock and dissolving limestone. Fact 2: Caverns Secrets are hidden in caves. Given the two facts above, what are formed by carbonic acid in groundwater seeping through rock and dissolving limestone?
****
A: hidden caves

Problem:OPTIONS:
- ears
- echolocation
- birds
- fibers
- toads
- the nose
- Frogs.
- the blood

Fact 1: Hearing is used for sensing sound by animals. Fact 2: Hearing requires functioning ears. Given the two facts above, what are used for sensing sounds by animals?
****
A:
ears