ctenophora and cnidaria are diploblastic animals while chordates and annelids are triploblastic animalswhat value is represented in thiswho will answer this Q in 10 seconds I'll mark his or her as brainlist it's my promise

it is because of the process during gastrulation ..

the answer to your question is b

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)