Problem:OPTIONS:
- insects
- mammals
- arthropods
- humans
- barnacles
- fur seals
- graptolites
- bears

You are presented with the quiz "What have no backbone?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "arthropods are the largest phylum of invertebrates" and "invertebrates have no backbone". So, what's the best answer to the question?
****
A: arthropods
You are presented with the quiz "Mammals have a layer of fat under the skin to provide what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "mammals have a layer of fat under the skin to help insulate the body" and "insulated model provides warmth and comfort". So, what's the best answer to the question?
OPTIONS:
- food and shelter
- electrolytes
- food and water
- warmth and comfort
- staying warm
- starvation mode
- protect them
- Animal survival
warmth and comfort
You are presented with the quiz "Secondary vascular tissues are employed by bamboo and what other kind of tree?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "secondary growth forms secondary vascular tissues and bark" and "some, such as bamboo and palm trees, have secondary growth". So, what's the best answer to the question?
OPTIONS:
- plants
- ferns
- grass
- coniferous
- Trees
- elms
- palm
- deciduous

Answer: palm
Question: You are presented with the quiz "what does biodiversity increase the productivity and stability of?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "biodiversity increases the productivity and stability of ecosystems" and "an ecosystem includes the organisms and their habitat". So, what's the best answer to the question?
OPTIONS:
- density
- the looseness of soil
- water vapor
- the environment
- h2o
- swamp vegetation
- biological diversity
- organisms and their habitat
Answer: organisms and their habitat
input with options: You are presented with the quiz "Blood sugar is used for energy by what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "glucose is used for energy by the cells of most organisms" and "blood Sugar Glucose is sugar". So, what's the best answer to the question?
OPTIONS:
- Veins and arteries.
- irradiation
- microorganisms
- sugar in drinks
- energizing crowds
- It helps them survive
- sugar cereal
- cells of organisms
output: cells of organisms
Problem: OPTIONS:
- wind
- fats
- water
- sunlight
- lipids
- glucose
- soil
- energy
Q: You are presented with the quiz "What are leaves used to store?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "waxy leaves are used for storing water by some plants" and "leaves are long, oval and waxy". So, what's the best answer to the question?
Answer:
water