Examples of multicellular organisms include humans, animals such as dogs and cats, plants like trees and flowers, and fungi such as mushrooms.
A grasshopper is not a unicellular organism. In fact, it is considered to be a multicellular organism as are eels, duckweed, and crayfish.
Crayfish
Crayfish are known as both crayfish and yabbies in Australia. "Yabbies" are freshwater crayfish, often found in rivers, creeks and dams in rural areas.
My older crayfish died and my littler crayfish has not yet how do/can they die?
Do crayfish have tarritoris
protects the crayfish
Crayfish are omnivores.
Crayfish are related to small lobsters. Here is a link for pictures of crayfish. http://mackers.com/crayfish/pics.htm
Crayfish are invertebrates.
the crayfish resembles a lobster
No, a crayfish is not a mollusk. It is an arthropod.