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 2016 Care.com member data, the average cost of center-based day care for infants is about $10,468 per year, but prices can range from $6,605 to $20,209 a year. Similarly, the average cost of center-based day care for toddlers is about $9,733, but prices can range from $8,043 to $18,815 a year. On the other hand, the average cost of a nanny who cares for one child is about $28,905, but prices can range from $27,019 to $32,677.