Question: Q: By 180 million years ago, pangaea began to do what? A:
OPTIONS:
- combine
- freeze
- grow
- break up
Answer: break up

input with options: Q: What is the long, narrow tube that carries food from the pharynx to the stomach by the mechanism of peristalsis? A:
OPTIONS:
- gallbladder
- liver
- spinal cord
- esophagus
output: esophagus

Q: Q: Which kind of genetics approach involves mutating or deleting genes provides researchers with clues about gene function? A:

OPTIONS:
- possible genetics
- impossible genetics
- inverse genetics
- reverse genetics

A: reverse genetics

input: OPTIONS:
- ammonia hormones
- Somatostatin
- Thrombopoietin
- steroid hormones Now, answer this question: Q: The lipids that are connected to the glucose pathways are cholesterol and triglycerides. cholesterol is a lipid that contributes to cell membrane flexibility and is a precursor of this? A:
A:
output: steroid hormones

Q: Like other amphibians, frogs generally lay their eggs in moist environments, which are required since the eggs lack what feature? A:

OPTIONS:
- nucleus
- tubes
- membrane
- shells

Answer: shells

Q: Q: What type of ecosystem do polar bears live in? A:

OPTIONS:
- tropical
- oceanic
- natural
- arctic

A:
arctic