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WorksheetsECOSYSTEMS TEST 2018-2019
Total questions: 75
Worksheet time: 1hrs 2mins
Name
Class
Date
1.
Which of the following is NOT a biotic factor?
a)
Walrus
b)
Squid
c)
Salinity
d)
Algae
2.
Which of the following is the process of pulling CO2 form the atmosphere to make food?
a)
Photosynthesis
b)
Cellular Respiration
c)
Decomposition
d)
Nitrification
3.
When plants and animals die their bodies _______ and carbon atoms are returned to the atmosphere.
a)
Cellular Respiration
b)
Decomposition
c)
Nitrification
d)
Photosynthesis
4.
Mangrove swamps are named after the type of ____________ found in them that is salt tolerant.
a)
flowers
b)
grasses
c)
trees
5.
Salinity means the level of _______________in the water.
a)
oxygen
b)
salt
c)
nitrogen
6.
Brackish means that the water is
a)
only salt water
b)
a mix of fresh and salt water
c)
only fresh water
7.
How many trophic levels are there in the food chain?
a)
1
b)
3
c)
6
d)
9
8.
Which of the following is a 1st level carnivore?
a)
zooplankton
b)
crustaceans
c)
sharks
d)
seaweed
9.
Since fish live underwater, they do not require oxygen.
a)
True
b)
False
10.
Ecology is.......
a)
Organisms and their environment
b)
Medical research
c)
Electricity
d)
Astronomy
11.
Zooxanthelle are found in
a)
Kelp
b)
Sand
c)
Coral
d)
Deep Sea Volcanoes
12.
The nonliving aspects of an ecosystem.
a)
Abiotic factors
b)
Biotic factors
13.
The living portions of the ecosystem.
a)
Biotic factors
b)
Abiotic factors
14.
Water temperature would be an example of ...
a)
A biotic factor
b)
An abiotic factor
15.
A collection of organisms that belong to different populations but all live in the same area and interact with one another.
a)
Population
b)
Ecosystem
c)
Community
d)
Ecosphere
16.
A place where an organism lives.
a)
Terrain
b)
Habitat
c)
Community
d)
Population
17.
A collection of organisms that make up a community as well as all of the nonliving aspects of the environment.
a)
Population
b)
Community
c)
Habitat
d)
Ecosystem
18.
Two or more members of a particular species living and interacting in the same area
a)
Community
b)
Population
c)
Organisms
d)
Biosphere
19.
Which level will contain plants?
a)
A
b)
B
c)
C
d)
D
20.
A living relationship between two species in which one organism is harmed is called...
a)
mutualism
b)
commensalism
c)
parasitism
d)
niche
21.
symbiotic relationship in which both organisms benefit
a)
competition
b)
Mutualism
c)
nitrogen fixation
d)
energy pyramid
22.
A barnacle living on a whales skin..the whale is not harmed or affected
a)
commensalism
b)
mutualism
c)
parasitism
23.
An organism that lives by breaking apart dead organic matter into simpler parts is...
a)
scavenger
b)
consumer
c)
decomposer
d)
carnivore
24.
Autotrophs make up the _______ level in all ecosystems.
a)
First
b)
Second
c)
Third
d)
Fourth
25.
What is the original source of almost all energy in most ecosystems?
a)
carbohydrates
b)
sunlight
c)
water
d)
carbon
26.
Where have organisms adapted to keep from being swept away?
a)
intertidal area
b)
coral reef
c)
estuary
d)
Sargasso Sea
27.
Which ecosystem contains both fresh and salt water?
a)
intertidal area
b)
coral reef
c)
estuary
d)
Sargasso Sea
28.
The area that has warm, sunlit water and is where the ocean floor begins to slope downward is the
a)
intertidal zone
b)
neritic zone
c)
oceanic zone
d)
benthic zone
29.
The area that contains the deep water of the open ocean and is where the sea floor drops sharply is the
a)
intertidal zone
b)
neritic zone
c)
oceanic zone
d)
benthic zone
30.
The ocean floor, some parts of which get no sunlight, is the
a)
intertidal zone
b)
neritic zone
c)
oceanic zone
d)
benthic zone
31.
Which of the following is NOT a key abiotic factor in marine ecosystems?
a)
water temperature
b)
amount of sunlight
c)
water depth
d)
amount of plankton
32.
The base of the ocean's food chains is formed by
a)
blue whales
b)
plankton
c)
coral reefs
d)
sargassums
33.
The flow of energy through an ecosystem can be depicted in a food web. What forms the base of the open ocean food web?
a)
algae
b)
fish
c)
shrimp
d)
whales
34.
Which factors limit the productivity of a marine ecosystem?
a)
availability of light and nutrients
b)
availability of nutrients and fresh water
c)
availability of light and chemosynthetic organisms
d)
availability of photosynthetic organisms and fresh water
35.
To which condition do all species in the ocean depths have to adapt?
a)
lower salinity
b)
extreme pressure
c)
swift ocean currents
d)
hot water temperature
36.
Light does not reach the bottom of the ocean, yet certain species on the bottom of the ocean get energy to live?
a)
algae and bacteria produce energy through photosynthesis
b)
hydrothermal vents produce energy through chemical reactions
c)
dead plants and animals produce energy through decomposition
37.
Most of the oxygen in Earth's atmosphere is produced in the top six inches of the oceans. Which best explains this?
a)
Oxygen is produced as a by-product as fish breathe through their gills
b)
oxygen is produced by seawater, which evaporates into pure oxygen and hydrogen
c)
oxygen is produced by deepwater plants and is then moved to the surface of the ocean
d)
oxygen is produced by photosynthetic microorganisms that live near the surface of the ocean
38.
Parrotfish are herbivores that are found in coral reefs. To escape predation, a parrotfish will graze with a rabbitfish, which has venomous spines at the end of its pelvic fins. The rabbitfish does not benefit from this relationship. Which type of relationship do the parrotfish and the rabbitfish have in the coral-reef environment?
a)
Commensal
b)
Mutualistic
c)
Predator-prey
d)
Parasitic
39.
one organism kills and eats another
a)
mutualism
b)
commensalism
c)
parasitism
d)
predation
40.
both organisms need the same resources
a)
mutualism
b)
commensalism
c)
competition
d)
predation
41.
one organism benefits, the other is harmed
a)
mutualism
b)
commensalism
c)
parasitism
d)
predation
42.
A harmless scarlet king snake and a venomous eastern coral snake have similar band patterns, as shown below. For the scarlet king snake, the adaptation of having a banding pattern like the eastern coral snake is known as mimicry.
The outcome of this adaptation in the scarlet king snake is to —
The outcome of this adaptation in the scarlet king snake is to —
a)
make it easier for the scarlet king snake to attract prey
b)
make it easier for the scarlet king snake to interbreed with the other snake
c)
allow the scarlet king snake to blend in with its environment
d)
protect the scarlet king snake from predators
43.
Shallow coastal waters provide an essential habitat to a variety of plants and animals. A small part of a coastal food web is shown. Which organism is a primary consumer?
a)
algae
b)
horseshoe crab
c)
striped bass
d)
soft-shell clam
44.
Hummingbirds need large amounts of energy to flap their wings between 60 and 200 times per second. Their wings beat so rapidly that it is difficult to see them move. They often appear suspended in air for extended periods of time without changing their location. Hummingbirds have long bills and grooved tongues to reach into flowers to feed on flower nectar. They also feed on insects. Which term best describes the ecological relationship between hummingbirds and insects?
a)
mutualism
b)
parasite-host
c)
predator-prey
d)
commensalism
45.
Coral reefs provide
a)
shelter
b)
tourism
c)
protection from storms
d)
all the above
46.
What builds up over time to form a reef?
a)
Sand
b)
Coral skeletons
c)
Fish bones
d)
Rocks
47.
Coral reefs are important to medical research.
a)
true
b)
false
48.
Who causes the most damage to coral reefs?
a)
Whales
b)
Fish
c)
Boats
d)
Humans
49.
What is a tiny individual coral animal?
a)
Polyps
b)
Crevice
c)
Atolls
d)
Erosion
50.
What is the biggest ecological benefit of coral reefs?
a)
tourism
b)
seafood
c)
habitat
d)
protection of shoreline
51.
What is the biggest economic benefit of coral reefs?
a)
filtration
b)
habitat
c)
tourism
d)
protection of shoreline
52.
Coral polyps eat zooxanthellae
a)
True
b)
False
53.
In warm tropical ocean ecosystems, all other life forms depend on which of the following:
a)
Coral
b)
Shrimp
c)
Algae
d)
Bacteria
54.
What type of organism are corals?
a)
Plants
b)
Animals
c)
Bacteria
d)
Fungi
55.
Which coral-consuming organism has jaws so powerful it can bite through rock?
a)
Parrotfish
b)
King Crab
c)
Polyps
d)
Whale Sharks
56.
One individual living thing:
a)
Population
b)
Community
c)
Organism
d)
Ecosystem
57.
All the different fish in a fish tank is an example of a(n):
a)
Ecosystem
b)
Community
c)
Population
d)
Organism
58.
A single goldfish named Goldie in a fish tank is an example of a(n):
a)
Ecosystem
b)
Community
c)
Population
d)
Organism
59.
The bottom area of a pond or lake.
a)
Littoral zone
b)
Benthic zone
c)
Swamp
d)
Barrier island
60.
Bottom dwelling organisms.
a)
Plankton
b)
Fish
c)
Mammals
d)
Benthos
61.
Free swimming organisms
a)
Benthos
b)
Nekton
c)
Amoba
d)
Crustacean
62.
What is the source of most ocean pollution
a)
activities on land
b)
climate change
c)
aquatic animals
d)
none of the above
63.
The role or function or job of a species in a community.
a)
habitat
b)
diet
c)
niche
d)
ecosystem
64.
In Antartic ecosystems, all animals depend on which species in the food chain?
a)
Penguins
b)
Polar bears
c)
Krill
d)
Leopard seals
65.
Red mangroves
a)
are much like normal trees thus growing well past the high tide line
b)
have their roots coming out of the trunk thus propping them up in the water
c)
have many roots poking out of the mud exposed to the air
d)
are a species of fish
66.
This is a
a)
white mangrove
b)
red mangrove
c)
black mangrove
d)
red cypress tree
67.
grass->rabbit -> fox
a)
food chain
b)
food web
c)
energy pyramid
68.
Competition
a)
when two or more individuals or populations try to use the same resources
b)
occurs only between individual organisms
c)
occurs only between two or more populations
d)
the largest population that an environment can support at any given time
69.
Carrying Capacity
a)
the largest population that an environment can support at any given time
b)
resources that are so scarce that it limits the size of a population
c)
the smallest population that an environment can support at any given time
d)
the amount of nuts a chipmunk can hold in its cheeks at one time
70.
Example of carrying capacity: How many 1 inch fish can fit in a 10 gallon aquarium?
a)
20
b)
50
c)
10
d)
2
71.
What invasive species is taking over our native Texas species? ( Hint: we REALLY REALLY hate them!!!! )
a)
kudzu
b)
Burmese pythons
c)
Fire ants
d)
mosquitos
72.
By the orientation of the arowanas mouth, this species habitat is
a)
benthic
b)
at the surface
c)
living in the middle depth of rivers
d)
not enough information
73.
Standing ankle deep at Surfside Beach, you are in the __________zone.
a)
oceanic
b)
benthic
c)
intertidal
d)
litoral
74.
Which of the following is NOT nekton?
a)
human
b)
manatee
c)
jellyfish
d)
hippopotamus
75.
Best caption for this picture is:
a)
a predator-prey example
b)
the bicyclist better be in VERY good shape!
c)
someone is having a very BAD day!
d)
All the answers are correct
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