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WorksheetsENV SCI Chapter 7-Aquatic Ecosystems
Total questions: 35
Worksheet time: 21mins
Which zone in this pond would be classified as benthic?
A
B
C
Which ecosystem is sometimes referred to as a “marine desert,” due to its lack of life?
Coastal zone
Benthic zone
Open ocean
Tidal zone
This area of the ocean only makes up 10% of the total ecosystem size, but has 90% of its biodiversity.
The coastal/tidal zones
The photic zone in the open ocean
The aphotic zone in the open ocean
The benthic zone
How do ecologists classify aquatic ecosystems?
Salinity
Depth
Movement
All of the above
What is NOT an important feature of a wetland?
Prevents flooding
Provides habitat for organisms
Prevents wildfires
Filters and purifies water
This is the most productive ecosystem in the ocean. It is formed as the result of a tiny animal and algae living in a mutualistic relationship.
Mudflat
Sandy shore
Rocky shore
Coral reef
What are wetlands?
areas of land that are flooded at least part of the year
the ocean
lakes
estuaries
Which zone in this pond would be classified as littoral?
A
B
C
What is at the base of the food chain in the ocean?
whales
plankton
turtles
seaweed
The Great Garbage Patch is in the pacific Ocean
Where are coral reefs found?
Polar waters
temperate, mid-latitude waters
tropical waters
only near volcanos
When corals turn white due to algae leaving it is know as
whiteout.
coral bleaching.
algal disease.
coral death.
The largest accumulation of discarded plastic is found in:
the Atlantic Ocean
the Pacific Ocean between the USA mainland and Hawaii
the Indian Ocean off of Madagascar
the Arctic Ocean
What is a watershed?
Land that collects & channels water
Shape of the land
A natural stream of water
River & its tributaries
The Chesapeake Bay has what type of water in it?
fresh water
brackish water
salt water
Driving home, you pass through a warmer area with a lot of farm land. You notice a pond near the road that is thick with coating of green algae. This is a ______________ pond.
Oligotrophic
Eutrophic
Mesotrophic
Which ecosystem is sometimes referred to as a “marine desert,” due to its lack of life?
Coastal zone
Benthic zone
Open ocean
Tidal zone
Where would you expect to find a bioluminescent organism?
In the aphotic or benthic zone of the ocean
In the photic zone of the ocean
In the disphotic zone of the ocean
This diagram represents what type of coastal wetland?
Sea grass bed
Salt marsh
Mangrove swamp
Estuary
Salinity refers to
how many plants are in the water
how many organisms live in the water
how much salt in is water
In which oceanic zone does maximum primary production occur?
Abyssalpelgic zone
Epipelagic zone
Bathypelagic zone
Mesopelagic zone
Which oceanic zones have depths of over 1,000m?
Mesopelagic, bathypelagic and abyssalpelagic
Mesopelagic, bathypelagic and hadalpelagic
Epipelagic, mesopelagic and hadalpelagic
Bathypelagic, abyssalpelagic and hadalpelagic
This image belongs to a:
river
stream
ponf
lake
Pond/Lake
A an area of freshwater completely surrounded by land.
An area of low-lying ground where water collects.
A coastal ecosystem that is regularly flooded by the tides.
In deep ocean waters, few plants can grow. Animals often are bio-luminescent.
Which of the following best describes turtles, algae, fish and beavers?
Biotic factors found in lakes and ponds
Abiotic factors found in lakes and ponds
Biotic factors found in grasslands
Abiotic factors found in forests
This word is used to describe nonliving parts of an ecosystem.
Terrestrial
Aquatic
Biotic
Abiotic
