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Aquatic Ecosystems Test
By Jennifer Ewbank
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Last updated almost 8 years ago
40 questions
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Question 1
1.
What color of the electromagnetic spectrum (light) travels the furthest in water?
Red
White
Blue
Question 2
2.
Most organisms live in the ____________________zone.
photic
aphotic
bentic
Question 3
3.
When temperature and currents move nutrients from the bottom of the ocean to the top it is called___________
aphiotc
thermocline
upwelling
Question 4
4.
The process that bacteria use to make their own food at deep sea vents.
photosynthesis
chemosynthesis
Question 5
5.
Temperature, light and oxygen are examples of _______________factors
biotic
abiotic
Question 6
6.
Freshwater has _______amount of salt in it.
more than 1 ppm
10 ppm
less than 1 ppm
more than 30 ppm
Question 7
7.
Which natural disaster is made worse when people destroy esturies?
drought
flooding and storm damage
earthquakes
hurricanes
Question 8
8.
What are areas where freshwater meets saltwater called?
wetlands
coastal byways
intertidal zones
esturaries
Question 9
9.
What are coral reefs?
rock
deposits of bones of dead fish
outside skeletons of tiny, soft-bodied animals
plants
Question 10
10.
What special adaptations do intertidal species have?
to resist UV rays
survive heavy waves
survive exposure of air
all the above
Question 11
11.
How do fish use oxygen from the water?
aerobic respiration
anaerobic respiration
Question 12
12.
Wetlands and esturaries purify water and filter out_______
salt
dead organisms
pollution
waste products
Question 13
13.
This is the ocean shore between the lowest low tide and the highest high tide.
estuary
shore erosion
intertidal zone
intermoon zone
Question 14
14.
Temperature, sunlight, and dissolved oxygen are all important factors in what?
land ecosystems
deserts
aquatic ecosystems
grasslands
Question 15
15.
The distribution of life in aquatic ecosystems is determined by geography, light, depth, temperature, salinity, and dissolved oxygen.
True
False
Question 16
16.
Where is most dissolved oxygen located
photic zone
aphotic zone
benthic zone
Question 17
17.
Zone in freshwater ecosystems that is close to shore and contains many invertebrates.
littoral zone
limnetic zone
Question 18
18.
Zone in freshwater ecosystems that have no plants and in open water.
littoral zone
limnetic zone
Question 19
19.
Aquatic ecosystem that recharges the aquifers and filters pollutants.
wetlands
estuaries
mangrove forest
kelp forest
Question 20
20.
Type of wetland that has shallow water and shrubs and trees. Rich in nutrients
swamp
marsh
bog
fen
Question 21
21.
What part of your pollution lab represents excess phorsphorus and nitrogen in water?
water
salt water
soap water
fertilizer water
Question 22
22.
Ecosystem that prevents soil erosion and flooding.
coral reefs
estuaries
rivers
wetlands
Question 23
23.
Organisms living in this type of ecosystem can tolerate high changes in salinity and temperature.
coral reefs
estuaries
rivers
wetlands
Question 24
24.
Type of tree that the roots can either grow up to capture oxygen or grow down to help it with support.
mangrove
kelp
maple
pine
Question 25
25.
Type of force that allows objects to float and is determined by density.
bouyant force
kinetic force
gravitational force
electrical force
Question 26
26.
______________________________prevent fish migrations, feeding and leads to salination.
dams
agriculture practices
urban development
river dredging
Question 27
27.
____________________cause destruction of habitat, disease, parasites, and competition.
overfishing
forestry practices
dams
invasive species
Question 28
28.
______________________________is caused by excessive food demands, market pressure, no management policies, and technology.
overfishing
forestry practices
dams
invasive species
Question 29
29.
Starting a forest is called_______
afforestation
deforestation
Question 30
30.
______________changes hydrology, ambient water temperatures, chemistry, turbidiy, reduced light penetration, algae blooms, and acidification.
overfishing
forestry practices
dams
invasive species
Question 31
31.
Salinity and temperature have an effect on the oceans_______
density
gravity
wind
tides
Question 32
32.
The ocean can be divided into 3 zones based on thier _______________.
biodiversity of life
distance from shore
wind currents
temperature currents
Question 33
33.
Which zone has three parts?
photic zone
aphotic zone
benthic zone
Question 34
34.
Which zone in the ocean ecosystem extinds from the low tide to the edge of the continental shelf?
Intertidal ecosystem
neritic ecosystem
Open-ocean ecosystem
Question 35
35.
Which ocean ecosytem has extremes in temp, moisture, sun exposure, salinity, predation, and nutrients?
Intertidal Ecosystem
Neritic Ecosystem
Open ocean ecosystem
Question 36
36.
What are the stinging tentacles that coral have which allows it to feed?
kelp
nematocysts
zooxanthellea
pytoplankton
Question 37
37.
This ocean ecosystem that has sea otters as their keystone species
neritic ecosystems
open oceans
kelp forest
coral reefs
Question 38
38.
This ocean ecosystem is at the edge of the continental shelf and contains few nutrients and 90% of the water.
intertidal ecosystem
neritic ecosystem
open-ocean ecosystem
Question 39
39.
What are the primary producers in the open ocean food chain?
nematocysts
zooxanthellea
photoplankton
bioluminescenes
Question 40
40.
Which part of the open ocean zone has rpredators that scavenge carcasses or organic detritus?
photic open ocean zone
aphotic open ocean zone
benthic open ocean zone