Problem: OPTIONS:
- heat energy
- sun's heat
- A drug.
- A kernel
- energy
- glycogen
- lmestone
- Hemoglobin
Q: You are presented with the quiz "What is sugar stored as by the body?" 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 "glucose, the sugar the body uses for fuel, is stored as glycogen". So, what's the best answer to the question?
Answer: glycogen
Problem:OPTIONS:
- It helps them survive
- Plant growth is reduced
- prevent heat loss
- share properties
- protect them
- allow growth
- Decrease bodily water
- refract or absorb.

You are presented with the quiz "What do bighorns' hollow hairs do?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "head hair is especially important in preventing heat loss from the body" and "bighorns have hollow hair that traps body heat". So, what's the best answer to the question?
****
A: prevent heat loss
You are presented with the quiz "what fuses to form a diploid zygote during fertilization?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "fertilization occurs when a sperm and an egg fuse to form a diploid zygote" and "sperm and eggs are cells known as gametes". So, what's the best answer to the question?
OPTIONS:
- seeds
- white
- Flowers
- pollen
- potatoes
- orchids
- gametes
- barnacles
gametes
You are presented with the quiz "Mantle convection causes what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "tectonic plates being pushed together causes earthquakes" and "on Earth, mantle convection causes plate tectonics, volcanism, and earthquakes". So, what's the best answer to the question?
OPTIONS:
- demolitions
- global warming
- earthquakes
- forest fires
- erosion
- tsunamis
- heat energy
- heating liquids

Answer: earthquakes
Question: You are presented with the quiz "What adapts to the temperatures of the Arctic?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "animals adapt to cold temperatures" and "reindeer are well suited for the Arctic cold". So, what's the best answer to the question?
OPTIONS:
- sweating
- people
- humans
- Chlorophyll
- engines
- Conifers
- reindeer
- Fuel cells
Answer: reindeer
input: OPTIONS:
- characteristics
- the body's largest organ
- watery habitat
- centralized nervous system
- functioning arm
- underwater life
- biological diversity
- epidermis and dermis Now, answer this question: You are presented with the quiz "Starfish, sea urchins and sea cucumbers lack a what?" 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 "echinoderms include starfish, sea urchins, and sea cucumbers". So, what's the best answer to the question?
A:
output:
centralized nervous system