The carbon-dioxide content in the earth's atmosphere before 1500 a. d. was between 200 and 300 ppm. the carbon dioxide
content today is about 450 ppm. which single historical development can be blamed for this increase?
select one:
o a. the election of george bush
o b. the industrial revolution
o c. splitting of the atom
o d. the invention of agriculture

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)