Answer:
the marine food chain are a diverse group that includes finned (sharks, tuna, dolphins), feathered (pelicans, penguins), and flippered (seals, walruses) animals.
Explanation:
As human populations grow, human demands for resources like water, land, trees, and energy also grow. Population growth has relatively easy and inexpensive solutions and because population impacts every environmental challenge — it is an essential element to achieve sustainability.
The introductory information addresses what the study will entail(talk about)
The setting discusses existing data on your topic and where it takes place
