WorksheetsBasic Ecolopgy Review 2019
Total questions: 59
Worksheet time: 44mins
Name
Class
Date
1.
Ecology is.......
a)
Organisms and their environment
b)
Medical research
c)
Electricity
d)
Astronomy
2.
Diversity....or Biodiversity...
a)
The number of plants an animal eats
b)
The type of food an organism eats
c)
The way an organism reproduces
d)
The number of different species in an area
3.
The nonliving aspects of an ecosystem.
a)
Abiotic factors
b)
Biotic factors
4.
The living portions of the ecosystem.
a)
Biotic factors
b)
Abiotic factors
5.
Water temperature would be an example of ...
a)
A biotic factor
b)
An abiotic factor
6.
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
7.
A place where an organism lives.
a)
Terrain
b)
Habitat
c)
Community
d)
Population
8.
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
9.
Two or more members of a particular species living and interacting in the same area
a)
Community
b)
Population
c)
Organisms
d)
Biosphere
10.
Which level will contain plants?
a)
A
b)
B
c)
C
d)
D
11.
A living relationship between two species in which one organism is harmed is called...
a)
mutualism
b)
commensalism
c)
parasitism
d)
niche
12.
symbiotic relationship in which both organisms benefit
a)
competition
b)
Mutualism
c)
nitrogen fixation
d)
energy pyramid
13.
A barnacle living on a whales skin..the whale is not harmed or affected
a)
commensalism
b)
mutualism
c)
parasitism
14.
Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?
a)
There would be a decrease in the small bird population.
b)
There would be a decrease in the grass/flowers population.
c)
There would be a decrease in the mice population.
d)
There would be an increase in the grass/flowers population.
15.
An organism that lives by breaking apart dead organic matter into simpler parts is...
a)
scavenger
b)
consumer
c)
decomposer
d)
carnivore
16.
Autotrophs make up the _______ level in all ecosystems.
a)
First
b)
Second
c)
Third
d)
Fourth
17.
What is the original source of almost all energy in most ecosystems?
a)
carbohydrates
b)
sunlight
c)
water
d)
carbon
18.
Which ecosystem contains both fresh and salt water?
a)
intertidal area
b)
coral reef
c)
estuary
d)
Sargasso Sea
19.
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
20.
The base of the ocean's food chains is formed by
a)
blue whales
b)
plankton
c)
coral reefs
d)
sargassums
21.
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
22.
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
23.
a)
commensal, because the bats provide a surface for the fungus to grow
b)
parasitic, because the fungus obtains nutrients and shelter from the bats
c)
competitive, because both organisms use caves as shelter during the winter
d)
mutualistic, because the relationship involves two distinct species living together
24.
a)
X: mutualism
Y: parasitism
Z: commensalism
Y: parasitism
Z: commensalism
b)
X: commensalism
Y: mutualism
Z: parasitism
Y: mutualism
Z: parasitism
c)
X: parasitism
Y: commensalism
Z: mutualism
Y: commensalism
Z: mutualism
d)
X: commensalism
Y: parasitism
Z: mutualism
Y: parasitism
Z: mutualism
25.
a)
It eats and disperses the trees' seeds
b)
It eats the trees' excess seeds and prevents other animals from doing so
c)
It cleans the rain forest floor of debris, allowing for easier motility
d)
It prevents the trees' seeds from rotting on the rain forest floor
26.
a)
Commensalism
b)
Mutualism
c)
Neutralism
d)
Parasitism
27.
A native species and a non-native species are competing for resources within the same ecosystem. The non-native species is more likely to survive than the native species in which of the following situations?
a)
Both the native species and the non-native species thrive on the same food source
b)
The native species is immune to certain pathogens in the ecosystem
c)
Predators prey on both native and non-native species
d)
The non-native species has no natural enemies in the ecosystem
28.
a)
Mice, rabbits, herbivorous insects, and squirrels
b)
Predaceous insects, toads, spiders, and foxes
c)
Spiders, foxes, owls, hawks, and snakes
d)
Insectivorous birds, seed-eating birds, owls, and hawks
29.
a)
Producers
b)
Decomposers
c)
Omnivores
d)
Predators
30.
If the water bug population suddenly decreased dramatically, which organism would be effected immediately?
a)
Dragonfly
b)
Daphnia
c)
Tadpole
d)
Kookaburra
31.
one organism kills and eats another
a)
mutualism
b)
commensalism
c)
parasitism
d)
predation
32.
both organisms need the same resources
a)
mutualism
b)
commensalism
c)
competition
d)
predation
33.
one organism benefits, the other is harmed
a)
mutualism
b)
commensalism
c)
parasitism
d)
predation
34.
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
35.
The diagram represents different levels of a marine food pyramid. Between which two levels is the least amount of energy transferred
a)
R and Q
b)
S and R
c)
T and S
d)
U and T
36.
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
37.
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
38.
What are organisms living on, near, or in the sediment of lakes called?
a)
Nektonic
b)
Planktonic
c)
Limnetic
d)
Benthic
39.
This lake zone suffers from a lack of light and has limited photosynthesis:
a)
Littoral
b)
Benthic
c)
Profundal
d)
Limnetic
40.
Which organism produces most of the food in a lake ecosystem/ food web?
a)
Limnetic phytoplankton
b)
Benthic decomposers
c)
Littoral emergent vegetation
d)
Profundal zooplankton
41.
Where would you find cattails and reeds?
a)
Limnetic zone
b)
Littoral zone
c)
Profundal zone
d)
Benthic zone
42.
Which zone contains the most life in a lake or pond?
a)
Littoral zone around the shoreline
b)
Profundal zone in the deep and dark
c)
Benthic zone in the sediment
d)
Limnetic zone in the open lake as far as light reaches
43.
Plankton are NOT....
a)
top carnivores of pond food webs
b)
tiny, microscopic organisms
c)
easy prey for other aquatic life
d)
producers
44.
Which of the following is NOT true?
a)
In a straight stretch of river, the main force of current is usually in the middle.
b)
Vegetation on the banks helps reduce erosion
c)
A riffle is a level area on both sides of a stream that holds excess water during a flood
d)
Deeper, slower-moving areas of water are called pools
45.
Which is NOT a freshwater ecosystem?
a)
a river
b)
a lake
c)
an estuary
d)
a stream
46.
A wetland that contains a mixture of fresh water and salt water is called
a)
an estuary
b)
a stream
c)
a river
d)
a pond
47.
phytoplankton are
a)
tiny autotrophic organisms in water
b)
large plants
c)
tiny heterotrophic organisms in water
d)
large animals
48.
What are the three major types of aquatic ecosystems?
a)
Rivers, Lakes, and Ponds
b)
Marine, Freshwater, and Estuaries
c)
Coral reefs, Oceans, and the Sea
d)
There are only freshwater ecosystems
49.
The zone that exists in by the shore; sunlit water
a)
tropical
b)
littoral
c)
benthic
d)
eutrophic
50.
What do you call it when predators hunt and eat prey?
a)
Competition
b)
Predation
c)
Parasitism
d)
Commensalism
51.
What does it mean that water communities are high in biodiversity?
a)
That there are lots of different types of life
b)
That there are lots of changes
c)
That there are many different types of water
d)
That there are lots of different types of bacteria
52.
Which ecosystem, other than deserts, have little to no rain?
a)
Arctic Tundra
b)
Freshwater
c)
Deciduous Forest
d)
Grassland
53.
An ecosystem is:
a)
Organisms interacting with living things only
b)
Organisms interacting with living and non living things in their environment
c)
Organisms interacting with non living things only
54.
An ecosystem where water covers the soil or water is near the surface of the soil is called
a)
a desert
b)
an ocean
c)
an estuary
d)
a wetland
55.
Estuaries form where
a)
a lake evaporates
b)
a river meets the sea
c)
a river becomes dammed
d)
a wetland becomes filled in
56.
What is turbidity a measure of?
a)
Photosynthesis in water.
b)
Change in biological activity.
c)
Cloudiness of water.
d)
Solubility of atmospheric gases in water.
57.
What is an aquatic ecosystem?
a)
An aquatic ecosystem includes any water environment and the community of organisms that live there
b)
An aquatic ecosystem includes any land environment and the community of organisms that live there.
58.
Select all of the Abiotic factors below
a)
water temperature
b)
all the plants in the ecosystem
c)
salinity (salt level)
d)
amount of light
e)
pH levels
59.
A(n) ________________ is an area of land that is covered or saturated with water for at least part of the year. Bogs, marshes, and swamps are all examples of this kind of land.
a)
Marine ecosystems
b)
Freshwater ecosystems
c)
Wetlands
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