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Animals ecosystems and marine issues Flashcards | StudBud
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Animals ecosystems and marine issues
Animals ecosystems and marine issues
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1
Where is most oil that ends up in the oceans coming from?
Large oil spills
natural seepage from rocks
Leaky cars and other land based repairs
The land
2
Which of the following makes marine food webs complex?
Many large species are eatting lower on the web
Many enviroments connect together and a lot of organisms cross between them
There can be more trophic levels than on land
Humans, birds, and invasive species complicate things
3
Which location is more likely have issues with land development
deep ocean
open ocean
polar sea
mangrove forest
4
An ecosystem includes all the abiotic and biotic aspects of an area
False
True
5
Eutrophication is caused by a lack of oxygen in the water
True
False
6
What property do polar seas and deep oceans share?
Both are dark for long periods of time
Both are warm
Both are at high pressure
Both are cold
7
What is a relationship called where only one organism benefits and the other one is not affected?
Competition
Pedidation
Mutualism
Commensalism
8
What is an adaptation that the creatures of the rocky shoreline have to adapt to?
extreme pressure changes
extreme temperture ranges
constantly in the dark
being exposed to the air for periods of time
9
Oil is hard to clean up because of ocean currents and other movements
True
False
10
Which of the following is NOT a type of solution to overfishing
TEDs
year round fishing seasons
Quotas
Circle hooks
11
The most important part of the food web is the consumers
True
False
12
The largest amount of organisms will be found in this part of the ocean
Epipelagic
Mesopelagic
Bathopelegic
Abyssalpelegic
13
Organisms that are poor swimmers are refered to as__________
benthic
plankton
nekton
pelagic
14
Which type of plastic pollution causes the most problems for us
nets
bags
microplastics
six pack rings
15
Why are various toxins a concern in a marine enviroment
They cause many problems for themselves and their preditors
They bio accumulate and pass up the food chain
They affect the smallest marine organisms the most
They give fish super powers
16
What would happen if the krill population were to die off
the phytoplankton would be out of control with no preditor
Seaweed would have no natural preditor
the fish would starve
the blue whale would starve
17
As you do deeper into the ocean, what adapatation might you NOT find
Smaller stomachs
Expandable jaws
Bioluminescence
Larger eyes
18
What does an invasive species need to be successful?
A natural preditor in the new environment
A way to reproduce and colonize the new enviroment
a food source
a narrow range of conditions that it can only be successful in
19
Which marine ecosystems could be most effected by dredging
rocky shoreline
salt marsh
open ocean
deep ocean
20
Symbiosis ONLY refers to postive relationship between organisms
True
False
