Annelida, along with earthworms
mutalism
sealoid
They use them to clean
Yes
mutalism
Bristle worms and hermit crabs often coexist in marine environments, particularly in coral reefs and sandy substrates. Hermit crabs use empty shells for protection, while bristle worms typically inhabit the same areas, benefiting from the organic matter found around these habitats. While they do not have a symbiotic relationship, they can share resources and space without direct competition. However, caution is warranted, as some bristle worm species can be aggressive or harmful if they come into contact with hermit crabs.
The life cycle of a bristle worm, or polychaete, typically begins with the release of eggs and sperm into the water, where fertilization occurs. The fertilized eggs develop into free-swimming larvae called trochophores, which then undergo metamorphosis into a more mature form known as a metatrochophore. As they mature, these larvae settle on the ocean floor and develop into adult bristle worms, characterized by their segmented bodies and bristles. Depending on the species, bristle worms can have varying reproductive strategies, including both sexual and asexual reproduction.
Earthworms are a type of worm; there are many other types including roundworms, flatworms, marine worms, and bristle worms.
You find the setea on the outside of the worm. It is the tiny bristles on the outside of the worm.
A nereis is a type of marine polychaete worm belonging to the family Nereididae. These worms can typically be found in intertidal zones and shallow marine waters around the world. They are known for their segmented bodies and bristle-like parapodia.
They dont take care of their young,because they are blind so they can't see so it would just wonder off and die
Bristle worms belong to the phylum Annelida, which also includes earthworms and leeches. They are segmented worms with bristles along their bodies called chaetae, which they use for movement and protection. Bristle worms are commonly found in marine environments, where they play important roles in the ecosystem by scavenging detritus and preying on small organisms.