They are like sperm
Prokaryotic Cells
Earthworms don't have eyes, but they do have light-sensitive cells scattered in their outer skin.
earthworm moves by the hair like projections called setae .
The structures of a flatworm and a earthworm are different by the way the are shaped. The earthworm is the one that looks like a regular worm it is more rounded and a flatworm looks like leeches.
Yes, an earthworm is a living thing. It is a type of organism that is made up of cells, grows, reproduces, and responds to its environment. Earthworms play an important role in maintaining soil health and fertility.
An earth worm demonstrate cephalization through an an enlarged ganglion that acts as a simple brain. One particular part of the earth worms nervous system, an enlarged ganglion, does act as a simple brain, and it is located in the anterior portion of the earthworm's anatomy. Hence, the earthworm exhibits cephalization.
The earthworm's diet is dirt and other minerals. The earthworm's skin has little segments.
no a earthworm is sacred just as a Snake is. earthworms are important they are involved in allot like the food chain and maintaining the earth.
earthworm
Earthworm are like human cause they have a complete losed circulatory system. The earthworm has red blood that contains respiratory pigment similar to hemocfokin. External respiration in human must be moist and an earthworm keep its body surface.
If you add salt to an earthworm, it dies because water in it's cells will all leave. The water will move trying to make the amount of salt inside of the cells equal to that outside. That will actually dry out the worm. Often food is packed in salt to preserve it if there isn't another way.
Earthworm does not have the back bone. Earthworm is invertebrate animal.