Exam 7: Aquatic Biodiversity

LIGHT -Which letter in the diagram corresponds to the zone of open water where photosynthesis can occur?

ZONES -Which letter in the diagram corresponds to the photic or epipelagic?

Organisms that live in the oceanic zone between 200 and 1000 metres in depth live in the mesopelagic zone.

What is one function of a mangrove swamp? 

In what zone are hydrothermal vents with chemosynthetic-based communities found? 

What is the most likely classification for a swordfish caught from a deep-sea fishing boat? 

The bottom layer of a lake is called the ____________________ zone.

Food chains and food webs in aquatic systems are usually simpler and shorter than those in terrestrial biomes.

A highly productive zone in a coastal zone is an estuary.

In temperate lakes,there is thermal stratification and spring and fall turnovers.What is the importance of the spring and fall turnovers to aquatic organisms living in these temperate lakes?

What is considered an economic service of freshwater systems? 

The two types of aquatic life zones on the Earth are freshwater life zones and coastal life zones.

The area of shoreline between the low and high tides is called the intertidal zone.

Which ecosystem is most likely to be found in a temperate coastal wetland? 

What is responsible for the formation of prairie potholes? 

The land area that provides runoff,sediments,and dissolved substances via small streams to a major stream or river is known as a ___________________________________.

During which season is a Canadian lake most likely to show thermal stratification and restriction on mixing of surface and deeper waters? 

Wetlands that are dominated by sphagnum moss are referred to as ____________________.

What is considered an ecological service of the marine ecosystem?