The choice that is not a major similarity or difference between freshwater and marine ecosystems is B. <span>ocean and freshwater system conditions generally remain constant throughout the year.</span>
a. both support a large number of plants and animals adapted for aquatic living
Explanation:
The freshwater and the marine ecosystem are home to a large number of fora fauna and consist of diverse species that feed and survive on the characteristic of its water bodies. Some need saline while others need freshwater systems. Global warming hazardous to both and thus both of these water systems are in constant change.
