An estuary mouth and coastal waters, part of an aquatic ecosystem An aquatic ecosystem is an ecosystem in a body of water. Communities of organisms that are dependent on each other and on their environment live in aquatic ecosystems. The two main types of aquatic ecosystems are marine ecosystems and freshwater ecosystems.[1]
The cost of a pediatrician office visit will vary by region and by the individual doctor. On average, expect to pay $75 to $200 for a standard visit.
Every pediatrician has a slightly difference schedule for well child visits, of course. The American Academy of Pediatrics has a minimum standard of being seen at birth, two to four days after birth, and then at two, four, six, nine and twelve months, though many doctors do see the babies a bit more frequently.