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WorksheetsAnimals and Ecology
Total questions: 74
Worksheet time: 37mins
Name
Class
Date
1.
Because animals attain their carbon and energy from organic sources, they are considered ___.
a)
photoautotrophs
b)
chemoautotrophs
c)
chemoheterotrophs
d)
photoheterotrophs
2.
An animal that eats only plants would be considered an omnivore.
a)
True
b)
False
3.
Due to the carrying capacity, in nature populations tend to show ___ growth patterns
a)
exponential
b)
logistical
c)
receding
d)
explosive
4.
Choose the best definition of a ecosystem
a)
All of the organisms plus the nonliving habitat
b)
The dominant organisms in an area
c)
Living organisms and soi
d)
All of the organisms in an area
5.
Closely related species that live in the same geographical area are called sympatric.
a)
True
b)
False
6.
Allopatric species are closely related species that ___, and so are under less pressure to develop adaptations.
a)
occupy the same area
b)
occupy different areas
c)
can only mate with one another
d)
out compete other species
7.
As an indicator of how a population might be using its resources in a given area, ecologists will determine population ____, which is the pattern of spacing between individuals within a habitat.
a)
distribution
b)
density
c)
abundance
d)
size
8.
Certain bacteria are capable of transforming atmospheric nitrogen into a form other organisms can use through a process known as ___
a)
nitrogen fixation
b)
nitrogen oxidation
c)
combustion
d)
nitrogen reduction
9.
Bacteria can produce atmospheric nitrogen from nitrates in the soil
a)
true
b)
false
10.
From the list that follows choose the adaptation characteristic of K-selected populations.
a)
Late age of first reproduction
b)
Short lifespan
c)
High mortality rate
d)
Little to no parental care
11.
Acid rain dissolves limestone releasing bicarbonate
a)
True
b)
False
12.
A linear path through organisms at different trophic levels of an ecosystem is a ___.
a)
food chain
b)
food web
c)
food line
d)
food cycle
13.
A snake that has evolved to look similar to a branch will probably be able to avoid ___.
a)
predation
b)
parasitism
c)
competition
d)
mutualism
14.
Circling the globe at northern latitudes is ___, with coniferous trees and long, cold winters
a)
taiga
b)
tundra
c)
desert
d)
rainforest
15.
Animals with bright colors warning animals that they are poisonous exhibit ___
a)
aposematic coloration
b)
Batesian mimicry
c)
Müllerian coloration
d)
cryptic coloration
16.
A ___ is a type of ecosystem determined mostly by the features of the climate in the area.
a)
biome
b)
community
c)
biosphere
d)
land formation
17.
Animals with colors that allow them to blend into their environment exhibit ___.
a)
aposematic coloration.
b)
Batesian mimicry.
c)
Müllerian coloration
d)
cryptic coloration
18.
A remora fish which eats scraps from shark meals is an example of a type of symbiosis?
a)
Parasitism
b)
Commensalism
c)
Mutualism
d)
Succession
19.
A type of ecosystem characterized by glow-in-the-dark creatures eating debris can be found ___.
a)
in estuaries.
b)
in the deep sea waters, below the level of light penetration
c)
in shallow waters overlying the continental shelves
d)
at the open ocean surface
20.
A measure of the number of individuals within a population per unit area is called ___.
a)
population density.
b)
population distribution.
c)
population range
d)
population size
21.
Choose the best definition of the term "ecology."
a)
Ecology is the study of interactions of organisms with each other and with their environment.
b)
Ecology is the study of how animals behave and how those behaviors evolved.
c)
Ecology is the study of how biological and non-biological components cycle through ecosystems
d)
Ecology is the study of the diversity of life
22.
All of the different kinds of interacting organisms living within a certain area make up a ___.
a)
community
b)
population
c)
species
d)
ecosytem
23.
Characterized by permafrost and low, shrubby plants, _______ can be found nearest the poles.
a)
tundra
b)
taiga
c)
temperate deciduous forests
d)
chaparral
24.
All of the following are characteristics of an r-selected population EXCEPT ___.
a)
few offspring produced
b)
short life span.
c)
early age of reproduction
d)
no parental care
25.
All of the following are examples of detritivores or decomposers EXCEPT ___.
a)
cows
b)
worms
c)
vulture
d)
fungi
26.
Sweating to cool ones self is an example of a ___ adaptation
a)
physiological
b)
morphological
c)
behavioral
d)
psychological
27.
Sympatrism is a form of symbiosis.
a)
Ture
b)
False
28.
In true commensalism, both partners benefit
a)
True
b)
False
29.
Plants obtain the carbon used in the manufacture of organic compounds from ___.
a)
carbon dioxide in the atmosphere
b)
organic compounds in the soil
c)
organic compounds in the soil
d)
ammonia in the soil
30.
Loss of water from the leaves of plants occurs mostly via a process known as ___.
a)
transpiration
b)
evaporation
c)
dehydration
d)
guttation
31.
Phosphorus is an essential element in all living things and is a component of ___
a)
ATP and DNA
b)
amino acids
c)
vitamins
d)
carbohydrates
32.
The loss of _____ that occurs at each trophic level places a limit on how many top-level carnivores a community can support.
a)
energy
b)
water
c)
light
d)
CO2
33.
Herbivores are at what trophic level within an ecosystem?
a)
Level 2
b)
Level 1
c)
Level 3
34.
Succession that occurs on abandoned agricultural fields is best described as ___.
a)
secondary succession
b)
primary Succession
c)
biome succession
35.
The 4 key elements that determine which types of organisms may live within a certain environment include all of the following EXCEPT ___.
a)
behavior
b)
water
c)
light
d)
temperature
36.
If a plant species grows where no life existed before, this could be the first stage of ___.
a)
primary succession
b)
secondary succession
c)
biome succession
37.
If a mosquito feeds off a wolf, then it is considered a ___.
a)
tertiary consumer
b)
decomposer
c)
primary consumer
38.
The actual role an organism is able to occupy in the presence of competitors is called ___
a)
realized niche
b)
character displacement.
c)
fundamental niche
d)
expansion niche
39.
The place an organism lives is its ___
a)
habitat
b)
niche
c)
ecosystem
d)
biome
40.
Organisms that attain their carbon from the CO2 in the atmosphere are known as ___.
a)
autotrophs
b)
heterotroph
c)
chemotroph
d)
phototroph
41.
The bacterium that causes tuberculosis has a ___ relationship with humans.
a)
parasitic
b)
commensalistic
c)
mutualistic
42.
Life exists on Earth because of the constant flow of light energy from the sun that is transformed into chemical energy by fungi
a)
true
b)
false
43.
The moisture that travels up from the plants and into the atmosphere falls back to the earth as rain.
a)
true
b)
false
44.
The division of resources leading to two realized niches is known as ___.
a)
resource partitioning
b)
character displacement.
c)
character displacement.
45.
The side of a mountain away from the ocean has very little rainfall and is said to be in a rain ___.
a)
shadow
b)
drought
c)
recession
46.
The spiraling currents within the world’s oceans responsible for much of our weather patterns are known as ___.
a)
gyres
b)
El Niños
c)
biomes
47.
Plants store energy from sunlight in organic molecules like ___.
a)
glucose
b)
bicarbonate
c)
ammonia
d)
iron
48.
The ___water cycle begins with water from oceans evaporating and then condensing to form precipitation
a)
environmental
b)
recycler
c)
oceanic
49.
Lakes with an abundance of organic material and low oxygen in the deeper regions are called ___.
a)
eutrophic lakes
b)
oligotrophic lakes
c)
thermally stratified
50.
The British Isles, including England, experience warmer weather than other areas of the same latitude because of ___
a)
the warm, moist Gulf Stream.
b)
the vast forests that shelter the islands from winds.
c)
industry causing a localized greenhouse effect.
51.
When a lion competes with a zebra for water it is an example of interspecific competition.
a)
True
b)
False
52.
When the energy flow through an ecosystem is measured at each trophic level, ____ of the available energy passes from one level to the next
a)
10%
b)
5%
c)
1%
d)
50%
53.
Which of the following is an example of a predator-prey relationship?
a)
Whales grazing on plankton
b)
Barnacles on whales
c)
Fungi and plants in mycorrhizae
54.
Tundra is similar to a desert in the fact that it gets very little precipitation.
a)
True
b)
False
55.
Which of the following nutrients is not found in the atmosphere, but instead is found in rocks and soil?
a)
phosphorus
b)
water
c)
carbon
d)
nitrogen
56.
___ species avoid competition by living in different portions of the habitat or using different resources.
a)
sympatric
b)
predator
c)
allopatric
57.
When a population reaches the carrying capacity of its habitat, the effects of crowding can be felt. Which of the following is NOT a density-dependent effect?
a)
Increased flooding
b)
increased migration
c)
Increased flooding
58.
The type of growth that a population may show when food and habitat are limitless is called ___
a)
exponential
b)
sigmoid
c)
logistical
59.
The total amount of energy fixed by photosynthetic organisms minus the energy used in their own metabolic activities is ____.
a)
net primary productivity.
b)
secondary productivity.
c)
primary productivity.
60.
Which of the following is NOT a method of dispersal exhibited by populations?
a)
Which of the following is NOT a method of dispersal exhibited by populations?
b)
being carried by the wind
c)
eaten by animals and spread in feces
d)
floating or drifting on vegetation
61.
___ are found halfway between the equator and poles, cover the interiors of major continents, and have few trees.
a)
Prairies
b)
taiga
c)
tundra
d)
Temperate rain forests
62.
When the eyespot on a butterfly's wings startles a predator and the prey gets away, this is probably ___
a)
self mimicry
b)
Batesian mimicry.
c)
Batesian mimicry.
63.
The type of ecosystem that receives less than 10 inches of rain a year with very hot temperatures is ___.
a)
desert
b)
prairie
c)
savanna
64.
Thermal stratification describes ___.
a)
the different temperatures of the layers of a lake
b)
the heat of deep oceans emitted by hydrothermal vents
c)
the layers of the atmosphere
65.
The statistical study of populations is known as ___
a)
Demography
b)
Symbiosis
c)
Fecundity
66.
When a nonvenomous milk snake has come to resemble the venomous coral snake, the relationship can best be called ___.
a)
Batesian mimicry.
b)
Müllerian mimicry
c)
self mimicry
67.
When you eat fried chicken, you are the ___
a)
secondary consumer
b)
decomposer
c)
primary consumer
68.
When you eat corn on the cob, you are eating at which trophic level?
a)
Level 2
b)
Level 1
c)
Level 3
69.
Which zone in a lake is open-water surface
a)
Limnetic
b)
Profundal
c)
Fundal
70.
Which part of the lake includes the deepest parts containing decaying material?
a)
Profundal zone
b)
Limnetic zone
c)
Littoral zone
71.
The tropics are warmer than the temperate regions because ___
a)
the sun's rays strike at a direct angle
b)
they are at a higher altitude and closer to the sun.
c)
the sun's rays strike at an oblique angle.
72.
Which of the following tends to happen as a population approaches its carrying capacity?
a)
All are correct
b)
Increased competition for light
c)
Increased competition for shelter
d)
Increased competition for food
73.
___ lakes are deficient in nutrient sources, but usually have high oxygen levels
a)
Oligotrophic
b)
Eutrophic
c)
phototrophic
74.
When a pistol shrimp defends the coral in which it lives, the relationship between the two is called ___.
a)
mutualism
b)
commensalism
c)
predation
d)
parasitism.
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