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.
Typical costs: 1  Without health insurance, a full year of the recommended seven well baby visits costs an average of $668 total -- or just over $95 per visit -- according to the American Academy of Pediatrics. 2  Immunizations for the first year cost at least $620 extra and usually are covered by health insurance.