When nicotine binds to nicotinic acetylcholine receptors in the brain, this causes the release of a specific neurotransmitter. identify this neurotransmitter, and the effects that it has on the brain.

when nicotine binds to nicotinic acetylcholine receptors in the brain, This causes the release of a specific neurotransmitter called dopamine.

Explanation:

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)

the answer would be   10%