input: OPTIONS:
- goats
- economy
- cows
- animals
- vegetation
- mammals
- bushes
- wind Now, answer this question: You are presented with the quiz "What is affected by the average number of individuals per unit of area or volume?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "population density is the average number of individuals per unit of area or volume" and "economy is affected by population size and density". So, what's the best answer to the question?
A:
output: economy

input: OPTIONS:
- Species
- messengers
- hair follicles
- cycles
- skin cells
- Endocrine system
- chromosomes
- proteins Now, answer this question: You are presented with the quiz "how traits are passed down, or inherited, is found in information in an organism's what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "information in an organism 's chromosomes cause genetic traits to be passed down to that organism 's offspring" and "genetics is the study of how traits are passed down, or inherited, from one generation to another". So, what's the best answer to the question?
A:
output: chromosomes

input: OPTIONS:
- force
- harm
- Rain
- Snowstorm
- cracks
- Wind
- Injury
- Hurricanes Now, answer this question: You are presented with the quiz "What does uneven heating of earth's crust cause?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "unequal heating of Earth 's surface by the Sun causes global wind patterns" and "wind is air that is moving across the surface of Earth". So, what's the best answer to the question?
A:
output:
Wind