PL HELPPP!! What is one way that bacteria is essential to the cycling of nitrogen in an ecosystem, helping to maintain the overall health of the ecosystem? * They release oxygen for plants to use during photosynthesis.
They fix nitrogen into a usable form for plants and animals.
They produce ammonia and nitrites for respiration.
They assimilate carbon dioxide into the soil for plants.

They assimilate carbon into the soil for plants

haploid cells;

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)