Describe the ways your proposed solutions decrease the negative effects of habitat destruction and human activity on your selected ecosystem

By  stopping the practice of fishing in that river area, it can restrict the

abundance of species from reducing in population. If fishing stops, then it

allows the animals to restart their reproductive cycle to increase their own

species population.

i think it would be b. tissue because an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.