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.
Newborns typically see a pediatrician at 1 week old, two weeks old, two months, 4 months, 6 months, 9 months, 12 months, 18 months, and 24 months. You can do the math to find out how much all of those visits would cost.