Freshwater and Marine Biomes Answers

Which of the following is not an example of a wetland?a.estuaryb.bogc.swampd.marsh

Researchers aboard the H.M.S. Challenger discovered over 4000 new species of marine life.

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? a. streamlined body b. thick layer of blubber c. flippers and flattened tails d. smooth, almost furless body Please select the best answer from the choices provided

Unlike lakes, the ocean is separated into zones.

Which of the following did not allow researchers to further explore below the ocean’s surface?a.ROV’sb.Alvinc.Palomaresd.Bathysphere

What discovery was made by Alvin?a.over 4000 new species of marine lifeb.hydrothermal ventsc.the Aqualungd.the temperature of different parts of the ocean

Understanding the salinity of aquatic environments is unimportant in understanding the overall ecosystem.

Limnetic, profundal, littoral, and benthic have what in common?a.They refer to the upper-level zones found in salt- and freshwater ecosystems.b.They are all zones found in freshwater systems.c.They refer to the lower-level zones found in salt- and freshwater ecosystems.d.They are all zones found in saltwater systems.

Organisms that live in freshwater and marine biomes have developed unique adaptations that aid in their survival. Which of the following adaptations would be more useful for an animal in a marine biome than for an animal in a freshwater biome? a. flippers and flattened tails b. smooth, nearly furless body c. streamlined body d. tolerance to high levels of salinity Please select the best answer from the choices provided

Which of the following phrases describes a typical river mouth?a.clearer water with high levels of oxygenb.decreased vegetation and lower oxygen levelsc.increased species diversityd.high levels of vegetation