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.
According to UrbanSitter.comâs 2017 survey the average childcare rate for one child is $15.20 per hour for a babysitting rate and $16.45 for a nanny. San Francisco came in as the most expensive city for babysitters once again in 2017, with $17.34/hour for one child as the average rate.