Question

1)What are the movements in earthworm
2)describe the body of earthworm
A)how it is made
3) what is hydrostatic meaning in earth worm


Answer all these in easy words

Answer 1

1)The first body segment (segment number 1) features both the earthworm's mouth and, overhanging the mouth, a fleshy lobe called the prostomium, which seals the entrance when the worm is at rest, but is also used to feel and chemically sense the worm'ssurroundings.
2)Earthworms' bodies are made up of ring-like segments called annuli. These segments are covered in setae, or small bristles, which theworm uses to move and burrow
3)Hydrostatic skeletons are common among simple invertebrate organisms. ... Hydrostaticorgans are more common in advanced organisms, while hydrostatic skeletons are more common in primitive organisms. As its name suggests, containing hydro meaning"water", being hydrostatic means that the skeleton or organ is fluid-filled.