Earthworms are delicate. Careful handling is important to
avoid damaging the internal organs.
Place the worm with the dorsal side up. Start the dissection
2 centimeters posterior the reproductive segment. Snip the skin above the dorsal blood
vessel ( near the posterior pin) through
the septa to the mouth.
I don’t know but have a nice day
Three Types of Muscle tissue that comprise the Muscular System. Skeletal muscle: creates the movement associated with bones and joints. Smooth muscle: associated with hollow organs, blood vessels, and ducts. Cardiac muscle: found within the heart where it creates the pumping action of the heart.
in an ecosystem, fungi play the role of decomposers -- they break down dead organic matter and return vital nutrients to the soil. Without fungi, nutrients would not cycle through an ecosystem, causing the breakdown of the entire food chain.
hope this helps :)
