Fill in the blanks pls

Why do german shepherds shed so much

This is the diveristy of ecosystems natural communites and habits it is the variety of ways that species interact with each other and their environment

What is the function of the somatic nervous system? connects the brain and the spinal cord to the rest of the body carry signals to the muscles and glands includes all nerves controlling the muscular system and external sensory receptors controls internal organs like the heart and bladder