AP BIOLOGY

ECOLOGY

BIOMES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which ecosystem has the highest level of salinity?
A
ocean
B
brackish marsh
C
river
D
pond
Explanation: 

Detailed explanation-1: -The Atlantic Ocean has the highest salinity of the five oceans.

Detailed explanation-2: -Marine ecosystems are aquatic environments with high levels of dissolved salt, such as those found in or near the ocean.

Detailed explanation-3: -The saltiest locations in the ocean are the regions where evaporation is highest or in large bodies of water where there is no outlet into the ocean. The saltiest ocean water is in the Red Sea and in the Persian Gulf region (around 40‰) due to very high evaporation and little fresh water inflow.

Detailed explanation-4: -With 33.7% salinity, the Dead Sea is one of the world’s saltiest bodies of water.

There is 1 question to complete.