Exam 7: Aquatic Biodiversity

What is the most likely classification for a new species of algae found floating on the surface of a coastal zone? 

Which characteristic would a marine organism that lives in the intertidal zone on a steep rocky shore possess? 

What is the difference between an eutrophic lake and an oligotrophic lake?

LAND ZONES -Which letter in the diagram corresponds to the zone containing wider,lower elevation streams?

Which lake zone includes the shallow sunlit water near the shore? 

Which lake zone refers to the open-water surface layer? 

LIGHT -Which letter in the diagram corresponds to the zone primarily inhabited by invertebrates such as decomposers that can live in low oxygen?

What is considered an ecological service of freshwater systems? 

In which lake zone are fish that are adapted to cool,dark water found? 

ZONES -Which letter in the diagram corresponds to the first zone where there isn't enough sunlight penetrating to allow photosynthesis to occur?

Coral bleaching occurs when corals become stressed and expel their zooxanthellae.

The ____________________________ extends from the high-tide mark to the edge of the continental shelf.

ZONES -Which letter in the diagram corresponds to the zone in which most organisms are blind or have poor eyesight?

What percentage of the Earth's surface is covered by oceans? 

What is considered an economic service of the marine ecosystem? 

What percentage of the world's coral reefs do marine biologists estimate has been destroyed by human activities? 

Coral reefs involve a __________________________ relationship between the coral polyps and zooxanthellae that live in the tissues of the polyps.

Which characteristics do estuaries exhibit? 

________________________lakes have a low supply of nutrients.

About _________________________ of the world's beaches are eroding because of coastline development and rising sea levels.