What are the symbiotic relationship between fungi and algae

Asap! how does the distance between two objects affect the force of gravity? how is the moon dependent on the sun?

An organ system consists of a group of organs that performs specific functions necessary for the survival of an organism. humans have eleven different organ systems: integumentary, skeletal, muscular, nervous, endocrine, circulatory, lymphatic, respiratory, digestive, urinary, and reproductive. discuss the function of neurons, the brain and the spinal cord within the human nervous system while explaining the interrelationship of each organ.

Ineed some everybody. the production of cells during mitosis into specialized function is called: recombination or differentiation