Lamprey and hagfish are jawless fish, with skeletons composed of cartilage. They do not have scales and are considered primitive fish. They are in the superclass cyclosystoma.
Animal cells communicate via their extracellular matrices and are connected to each other via tight junctions, desmosomes, and gap junctions
Answer:
Im waiting on an answer aswell.
Explanation:
The cell membrane helps to transport ions, nutrients, and waste.
If a person skipped lunch is could cause a low blood sugar
level and this will likely affect the liver cells in having it to react in
which glycogenolysis occurs. This process in the liver cells is a way of
breaking down glycogen in a way to fuel the body as it turns into glucose.