In the northwestern portion of the United States, salmon runs from the ocean to the freshwater rivers are extremely important. Salmon carry rich nutrients only found in the ocean and deposit them into the rivers. These nutrients are then distributed to the nearby forests as birds, bears, and other animals consume the salmon or the salmon eggs. Human activities have caused a decrease in native salmon species. Formulate a hypothesis regarding the impact this decrease will cause within the local ecosystem.

What hormones (at least three) are responsible for human growth and development and what do they do? describe what menstruation is and how it relates to reproduction. what are common emotional and physical challenges that arise during transition from child to adult? include and describe at least three challenges. what steps can you take to ease your own transition and be sensitive to others when they experience theirs? analyze the role of hormones in growth and development. how does this relate to your own personal health?