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Freshwater and ocean quiz Flashcards | StudBud
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Freshwater and ocean quiz
Freshwater and ocean quiz
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Its about ocean and freshwater system
Flashcards
14 cards
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Practice quiz
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Questions
14
Answers
1
How many lake types are there ?
2
6
4
3
2
What percentage of freshwater really covers the earth ?
1%
97 %
71 %
47%
3
What percentage of world population live along coasts ?
40 %
63 %
76 %
92 %
4
What covers 71 % of earths surface ?
air
Saltwater and freshwater aquatic zones
terristeral biomes
land
5
What are ocean's two major life zones?
abyssal zone and open sea
euphotic zone and photosynthesis
Coastal zone and open sea
bathyal zone and abyssal zone
6
what are hydrothermal vents ?
Spealized bacteria feed on chemical nutrients and organisms
Primarily on penetration of light
nutrients that limit productivity
Where nurtients feed on organisms
7
What are the 4 major types of organisms in aquatic systems ?
sea urchins, blow fish, barnacles, and coral reef
Plankton,decomposers, nekton and benthos
benthos,starfish,shark and beta fish
plankton,sword fish,cod and clown fish
8
What lake type has excessive supply of nutrients?
Bathyal
Oligotrophic
Eutrophic
Mesotrophic
9
What is one benefit of barrier islands?
Many species don't live here
Provide alot of food
Land isn't that big
help protect the mainland
10
What is one factor that determines organisms found in aquatic zones?
Sunlight and water
Temperature
Avaliablity of sun rays
Chips
11
Whats a disadvantage to living in the water?
growing population size
Nourshiment from nurtients
less exposure to UV lights
constant temperature
12
what is one ecological service provided by marine systems?
Employment
Food
Climate moderation
Minerals
13
What certain species in the coastal zones support a very diverse complex ecosystem?
plankton
Clown Fish
Coral reef
Benthos
14
What percentage of the world's largest river's impacted wetlands and streams?
60
100
78
32
