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Marine Bio - Environmental Problems in Our Oceans Flashcards | StudBud
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Marine Bio - Environmental Problems in Our Oceans
Marine Bio - Environmental Problems in Our Oceans
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1
The increase in CO
2
in the atmosphere leads to a decrease in ___________ in our oceans.
carbonic acid
pH
nitrogen
dissolved CO2
2
What is the biggest invasive threat to Coral Reefs in the caribbean?
Lionfish
Lack of Food
Increase in Water Temperature
Loss of Habitat
3
What type of commercial fishing can lead to overfishing and death of marine mammals, if unregulated?
Both Purse Seining and Long-lining
Long-lining
Purse Seining
Pole and Line
4
Human population growth is directly associated with these other HIPPCO terms:
All the above
Overfishing/Overexploitation
Carbon sequestration
Ecorestoration
5
Oceanic "Dead Zones" are depleted of oxygen by the activity of:
bacteria
algal blooms
clams, oysters, mussels
fish
6
Which of the following methods can be used to clean up an ocean spill
dispersants
floating booms
all of the above
skimmers
7
Common characteristics of invasive species:
reproduce slowly
outcompete natives
All the above
grow slow
8
Coastal areas, upwellings and _______ are centers for marine biodiversity.
open ocean
shallow bays
Coral Reefs
deep sea
9
What is the PRIMARY cause that leads to commercial extinction of fish species:
Overfishing
Water Pollution
Loss of Habitat
Global Warming
10
As an invasive species to great lakes, the zebra mussel has:
Increased Food Supply
Disrupted Food Chains
Altered Habitats
increased eutrophication
11
Invasive species are usually successful in new habitats because they lack ________.
niches
competition
food
predators
12
What kind of fishing uses lines up to 80 miles length with thousands of hooks?
Long Line Fishing
Droplining
Trolling
Pole Spear Fishing
13
Biodiversity is higher near ______ because of variety of producers, habitats and nursery areas.
The Arctic
the Coasts
Ocean bottoms
the open ocean
14
How are non-native species threatening marine biodiversity?
They are beneficial to marine biodiversity
Disrupt ecosystem function and extinction of native species
Create more habitat and increase competition for food
Disrupt food chains and are beneficial native species
15
As the oceans warm, marine species will migrate away from the equator:
true
false
16
"Microplastics" in marine food webs:
are pooped out
biodegrade rapidly
move up the food chain
cause no harm to marine creatures
17
One of the largest "dead zones" in the world can be found in:
the Gulf of Mexico
the mediterranean sea
hawaii
the north atlantic
18
The greatest threat to the biodiversity of oceans is loss and degradation of:
water quality
food
Habitats
the seafloor
19
Salt marshes (estuaries) provide which of the following ecosystem services to humans?
prevent coastal flooding from storms
filter water pollution
All the abive
nursery for fish humans eat
20
Marine biologists have called for the protection of _______ to allow the tuna species to repopulate the Pacific.
All the above
estuaries
the high seas/int'l waters
deep sea
21
Which of the following plastics harm marine species?
"ghost gear" - abandoned fishing gear
ALL OF THE ABOVE
grocery bags
bottle caps
22
How are marine reserves important to the conservation of marine species?
they decrease species diversity
they increase fish catch within reserves
they allow for humans to interact with wildlife
they protect the whole ecosystem (food web)
23
What group of marine animals is threatened more with extinction by human activity than any other species.
shellfish
Reptiles
Marine Mammals
Fish
24
The primary driver of coral reef habitat destruction:
blast fishing
global climate change (ocean warming)
tourism
ocean acidification
25
The loss of continental ice (i.e. Greenland) would cause the ___________, and a variety of ocean habitats to be lost.
sea levels to rise
sea level to drop
ocean to cool
currents to change
26
The release of nitrates and phosphates into bodies of water can result in a
PROCESS
called:
pollution
dead zone
eutrophication
sedimentation
27
The primary cause of habitat loss to mangroves in southeast Asia:
sea level rise
resort development
shrimp farming
nutrient pollution
28
Why did the population of cod on the grand banks of Canada drop immensely?
Lack of Regulation
Overfishing and increasing technology
Increase in Ocean Temperature
Sharks