Which organ is the site of gas exchange between the body and the environment?

The Lungs

Explanation:

The lungs and heart are the two organs that work with blood and air, but the lungs maintains the bond between the body and environment. It makes sure that your nose and mouth can take in air from the environment and THEN, to transfer the air from there to your lungs. This helps your body function. Hence, the answer is the lungs.

the answer is 1. photosynthesis. glad to

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)