Exam 7: Aquatic Biodiversity

What is a disadvantage for populations of organisms living in water? 

Which term refers to the ocean zone that extends from the shoreline to the edge of the continental shelf? 

Which marine ecosystem is the equivalent to a tropical rain forest ecosystem in terms of biodiversity? 

ZONES -Which letter in the diagram corresponds to the zone that is dominated by the process of decomposition?

Which term refers to lakes that have few minerals and low productivity? 

Which of the following is NOT a type of inland freshwater wetland? 

In which lake zone are large numbers of decomposers found? 

The top layer of a lake near the shoreline is called the ____________________ zone.

LIGHT -Which letter in the diagram corresponds to the zone close to shore in which light penetrates all the way to the bottom of the waterbody?

LAND ZONES -Which letter in the diagram corresponds to the zone containing headwater streams?

LIGHT -Which letter in the diagram corresponds to the zone that is usually cold and barely penetrated by sunlight?

An estuary is important because it is a partially enclosed area where seawater mixes with freshwater and nutrients from rivers,streams,and runoff from land.

Precipitation that does not sink into the ground or evaporate is known as_________________________.

In the summer in many temperate lakes,the ________________________ separates the epilimnion from the hypolimnion.

A cause of coral bleaching is increased water temperature.

Identify two ecological and/or economic services that are provided by estuaries,coastal wetlands,and mangrove swamps.

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

In which river zone are plants that are adapted to attach to rocks mostly found? 

Ecologically speaking,why should people care about the oceans?

What is the most likely classification for a bacteria sample obtained from the mud at the bottom of the abyssal zone?