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Segmented worms (class Polychaete (marine annelids) Areeb altashlan
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Segmented worms
class Polychaete (marine annelids) Areeb altashlan
ecology
- Help convert the organic debris of the ocean floor onto carbon dioxide.
- Marine plant plankton take in carbon dioxide and use it during photosynthesis .
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diversity
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-Most body segment have pair of appendages called parapodia, which are used for swimming and crawling.
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- They have head regions with well developed sense organs, including eyes.
class Oligochaeta (earthworms)
Sara alsalem
ecology
-Earthworms are food for many organisms
-Earthworms are important for healthy ecosystems, they mix leaf litter into the soil.
-Earthworms could be harmful too, the leaf litter on forest floors removes the shelter and moisture needed by some organisms.
diversity
-Earthworms are used as bait for fishing and are found in garden soil.
-They ingest soil to extract nutrients, the earthworms aerate the soil—they break up the soil to allow air and water to move through it.
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Ecology
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-The do have some drawbacks , they can cause bacterial infections, and they have a small feeding capacity , so they need to get replaced often