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Answered

Which is not a major similarity or difference between freshwater and marine ecosystems?

Aboth support a large number of plants and animals adapted for aquatic living
Bocean and freshwater system conditions generally remain constant throughout the year
Cfreshwater ecosystems have a very low salt concentration, and include ponds, lakes, streams, wetlands, and rivers
Dsaltwater ecosystems have a high salt concentration and include oceans, coral reefs, and estuaries

Verified Answer :

Kalahira

The correct answer is b. ocean and freshwater system conditions generally remain constant throughout the year. This is not true because they are very different. For examples, freshwater rivers can completely freeze during the winter while oceans can't freeze completely, not even a bit. Also, the animals inside have completely different body structures to fight these changes.

THE CORRECT AND ONLY ANSWER IS B.

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