Q: You are presented with the quiz "What is true about the phylum Platyhelminthes?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "flatworms belong to the phylum Platyhelminthes" and "flatworms are bilaterally symmetric". So, what's the best answer to the question? | OPTIONS:
- a hemisphere is tilted away from the sun
- biological diversity
- they have bilateral symmetry
- characteristics
- Something with a head, thorax, and abdomen
- sub-units of species
- aerobic capacity
- The number of individuals
A: they have bilateral symmetry

Q: You are presented with the quiz "What process reads and regulates gene expression?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "translation reads the genetic code in mRNA and makes a protein" and "gene expression can be regulated at the level of translation of an mRNA into a protein". So, what's the best answer to the question? | OPTIONS:
- organs
- sensory neurons
- A computer
- Plants growth
- translation
- sweating
- heat or cold
- Most plants
A: translation

Q: You are presented with the quiz "What causes things to die and quickly decay?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "poison causes harm to living things" and "when living things die, they quickly begin to decay". So, what's the best answer to the question? | OPTIONS:
- beans
- mushrooms
- viruses
- medicine
- poison
- heat
- bacteria
- apoptosis
A: poison

Q: You are presented with the quiz "What joins rivers?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "rivers are usually larger than streams" and "small streams join larger ones and are, themselves, joined by even smaller streams". So, what's the best answer to the question? | OPTIONS:
- vehicles
- loose soil
- sandstones
- ferry
- trail
- skyline
- streams
- Raft
A: streams