Q: You are presented with the quiz "What organism uses their sense of smell to find a mate?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "most salamanders use their sense of smell to find a mate" and "salamanders are a type of amphibian". So, what's the best answer to the question? | OPTIONS:
- fur seals
- bears
- Amphibians
- Fish
- mammals
- Butterflies
- rabbit
- Honey smelling bees
A: Amphibians

Q: You are presented with the quiz "What increases the amount of organic matter in soil?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "decomposition increases amount of organic matter in soil" and "composting is simply the natural decomposition of organic matter". So, what's the best answer to the question? | OPTIONS:
- raining
- shedding
- mussels
- raking
- herbicide
- fossil fuels
- green manures
- composting
A: composting

Q: You are presented with the quiz "What have specialized reproductive organs?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "plants have specialized reproductive organs" and "all orange trees are plants". So, what's the best answer to the question? | OPTIONS:
- trees
- otters
- cacti
- flowers
- oak
- toads
- animals
- insects
A: trees

Q: You are presented with the quiz "Vertebrates are animals that have what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "vertebrates are animals that have a backbone" and "all vertebrates have a backbone or vertebral column". So, what's the best answer to the question? | OPTIONS:
- major threat to health
- the digestive system
- characteristics
- a three chambered heart
- moving bones and joints
- scales on their skin
- a vertebrate column
- aerobic capacity
A: a vertebrate column