Organisms that live in freshwater and marine biomes have developed unique adaptations that aid in their survival. Which of the following adaptations does not help an animal move through the water?
Understanding the salinity of aquatic environments is unimportant in understanding the overall ecosystem.
Which of the following did not allow researchers to further explore below the ocean’s surface?
What discovery was made by Alvin?
An estuary is _______.
Limnetic, profundal, littoral, and benthic have what in common?
Temperatures in ponds and lakes vary by season.
Unlike lakes, the ocean is separated into zones.
Saltwater fish constantly drink water but still excrete concentrated urine to compensate for the water loss. They also have gills to help excrete excess salts. Conversely, freshwater fish absorb salt from their surroundings using their gills and their bodies reabsorb salt from their urine. This describes how salt- and freshwater fish _______.
Which of the following is not an example of a wetland?
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