You are presented with the quiz "What do echinoids lack?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "echinoderms lack a centralized nervous system" and "another group of echinoderms are the echinoids". So, what's the best answer to the question?
OPTIONS:
- characteristics
- centralized nervous system
- permineralization
- the body's largest organ
- biological diversity
- that material's properties
- aerobic capacity
- organic matter
centralized nervous system
You are presented with the quiz "what can some genes be?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "cancer genes can be inherited" and "an inherited mutation is a mistake in the gene". So, what's the best answer to the question?
OPTIONS:
- mutated
- correlated
- negative
- same
- fertile
- normal
- alleles
- complex

Answer: mutated
Question: You are presented with the quiz "What attracts insects?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "flowers attract pollinators, and fruits encourage animals to disperse the seeds" and "insect Pollinators Learn about pollination and why insect pollinators are important in the garden". So, what's the best answer to the question?
OPTIONS:
- bushes
- orchids
- food
- animals
- pollinators
- seeds
- pollen
- flowers
Answer: flowers
input with options: You are presented with the quiz "a very heavy material is formed by what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "soil is formed by weathering" and "soil or dirt is a very heavy material". So, what's the best answer to the question?
OPTIONS:
- eating
- weathering
- Condensation
- rainfall
- calcite
- seeding
- burning
- sanding
output: weathering
Q: You are presented with the quiz "Escaping poor weather and food supply changes what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "migration is a type of movement that changes population size" and "birds migrate to escape poor weather and food supply". So, what's the best answer to the question?

OPTIONS:
- population age
- the environment
- population education
- general preferences
- important habitats
- population size
- movement
- an organism's body

A: population size
You are presented with the quiz "What chemical creates a cavern?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "acavern is formed by carbonic acid in groundwater seeping through rock and dissolving limestone" and "carbon dioxide dissolved in rainwater forms carbonic acid". So, what's the best answer to the question?
OPTIONS:
- carbonic acid
- heating liquids
- hydrogen and oxygen
- aqueous solution
- salt
- oxygen
- hydrogen
- flow of electrons
carbonic acid