Research indicates that some people's schizophrenia may result from abnormalities in the brain's receptor sites for what neurotransmitter

The neurotransmitter is Dopamine.  The following combinations of neurotransmitters seem to be at play in those who suffer from ADHD is Serotonin, dopamine, and norepinephrine. Neurotransmitters, also known as chemical messengers, are endogenous chemicals that enable neurotransmission. They transmit signals across a chemical synapse, such as a neuromuscular junction.

1. a host loses nutrients to a parasite

2. a parasite only benefits when the host is alive (cause if the host dies the parasite dies with it )

3. producers to consumers

4. the tapeworm is a parasite

5. they convert energy from the sun (photosynthesis)

6. sunflower-robin (i think im 80% sure)

7. producer

8. consumer

9. prey

10. fresh water snails ( cause the green algea is the producer and the snails are the primary consumers and the small fish consumer so is the big fish)

not too sure but maybe in the hot springs.