stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Aquatic Ecosystems (7.1, 7.2) Flashcards | StudBud
Explore
/
Aquatic Ecosystems (7.1, 7.2)
Aquatic Ecosystems (7.1, 7.2)
27 terms
·
StudBud Administration
·
49 plays
review for aquatic ecosystems in Environmental Science
Flashcards
27 cards
F
Practice quiz
P
Host live
L
Questions
27
Answers
1
What causes eutrophication?
runoff containing pesticides
runoff containing fertilizer
runoff containing oil
runoff containing acids
2
Which biotic factor is NOT true for the benthic zone of a lake?
fish are adapted to low oxygen levels
decomposers live in the sediments
organisms are adapted to cooler temperatures
phytoplankton photosynthesize
3
Which of the following is NOT a threat to rivers?
constructing dams
removing water for human use
pollution like sewage and garbage
increased rainfall
4
Which abiotic factor is NOT true for the benthic zone of a lake?
low light levels
acidic pH
low oxygen levels
high carbon dioxide levels
5
Which of the following is NOT a function of wetlands?
wetland vegetation traps carbon
nesting site for desert tortoises
absorbs flood waters
protects the coastline from erosion
6
Which of the following is NOT a threat to coral reefs?
increasing fish populations
oil spills
runoff containing pollutants
climate change
7
Which is NOT a coastal ecosystem?
hydrothermal vent
salt marsh
mangrove swamp
coral reef
8
Which is NOT a reason why the littoral zone of a lake has high biodiversity?
sunlight
plants
nutrients
dissolved carbon dioxide
9
_________ ____________ run parallel to shores and protect the mainland and coastal wetlands from storms and ocean waves.
barrier islands
mangrove swamps
salt marshes
seagrass beds
10
Which of the following is NOT a function of wetlands?
acts like a sponge and absorbs pollutants
location for feeding and spawning of game fish
home for woodland animals
home for migratory wildlife
11
Which of the following is NOT true for river ecosystems?
water at the mouth of the river is warmer
water slows down as it gets closer to the mouth
headwaters (source) have greater dissolved oxygen
phytoplankton is abundant at the source (in the mountains)
12
Which is NOT true for mangrove swamps?
adapted to cold temperatures
protect the coastline from erosion and storm damage
tropical and subtropical zones
small trees adapted to growing in shallow salt water
13
Which is NOT a factor that determines where an organism lives in an aquatic ecosystem?
oxygen
sunlight
temperature
rocks
14
An estuary is very productive because it has a lot of __________ and ___________.
sunlight and nutients
oxygen and carbon dioxide
water and sediments
birds and fish
15
Which of the following is NOT a threat to estuaries (coastal ecosystems)?
decreasing temperatures
domestic and urban runoff
agricultural runoff and sewage
waste landfills
16
Which of the following is NOT a human threat to wetlands?
increased biodiversity
drain and fill for agriculture
pollution
drain and fill for development
17
Which factor of an ecosystem is NOT part of the community?
bacteria
fungi
plants
water
18
What does an ecosystem include?
biotic factors
both biotic and abiotic factors
abiotic factors
community interactions
19
Which of the following is NOT a function of coastal wetlands?
increase coastal flooding
nursery for recreational fish species
prevent coastal erosion
absorb pollutants and sediments from runoff
20
Which statement is NOT true for corals?
coral is an animal called a coral polyp
they are not threatened by human activities
reef is built of limestone (calcium carbonate)
high biodiversity
21
Which of the following is NOT a biotic factor?
bacteria
plants
soil nutrients
animals
22
Phytoplankton live near the surface of the ocean where there is enough _________ for photosynthesis.
light
water
carbon dioxide
oxygen
23
__________ pulls water from an area of higher elevation to lower elevation.
precipitation
density
gravity
condensation
24
Which of the following is NOT an abiotic factor important to the survival of coral?
clear water
salt water
warm water
low light levels
25
What are producers in an aquatic ecosystem?
fish
phytoplankton
zooplankton
turtles
26
Which of the following is NOT an abiotic factor?
temperature
dissolved oxygen
dead organism
rocks
27
Which is NOT true for salt marshes?
mineral rich mud
not threatened by humans
absorb pollutants and protect inland areas
nursery for shrimp, crabs, and fish
