Can people change the world for the better

You can change the world, just like you always thought you would. You can make a positive change. You can do meaningful deeds and make a positive impact on other people. What's more, when you do something meaningful, you do more than just change the world.

Explanation:

d.

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)