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.
Breakdown of Those Costs. OB/GYN Visits. On average, with a normal pregnancy, you can expect to see the OB/GYN about 12 to 14 times. According to a study carried out by the Kaiser Family Foundation in 2007 the average total cost for these prenatal care visits was $1,962.