Chapter 1 Exam Review

Ecology Chapter 1 Exam Review
 
Modified True/False
Indicate whether the statement is true or false.  If false, change the identified word or phrase to make the statement true.
 
____          1.          An ecosystem includes the top portion of Earth's crust, all the waters that cover Earth's surface, and the surrounding atmosphere. _________________________
 
____          2.         A biosphere consist of all the organisms living in an area and the nonliving features of their environment. _________________________
 
____          3.         Botanists are scientists who study the interactions among organisms and their environment. _________________________
 
____          4.         A habitat refers to all the populations in an ecosystem. _________________________
 
____          5.         A community consists of all the organisms in an ecosystem that belong to the same species. _________________________
 
____          6.         The place in which an organism lives is called its niche. _________________________
 
____          7.         Population density occurs when two or more organisms seek the same resource at the same time. _________________________
 
____          8.         Scientists can estimate total population size by counting a sample population. _________________________
 
____          9.         A carrying capacity is anything that restricts the number of individuals in a population. _________________________
 
____          10.        The largest number of individuals of one species that an ecosystem can support over time is its biotic potential. _________________________
 
____          11.        The maximum rate at which a population can increase is its biotic potential. _________________________
 
____          12.        An animal population gets smaller when the number of individuals that die is greater than the number of individuals that are born. _________________________
 
____          13.        A population that is experiencing exponential growth is growing slowly. _________________________
 
____          14.        Green plants are producers that use chemosynthesis to produce energy-rich molecules. _________________________
 
____         15.        Producers found on the ocean floor use a process called photosynthesis to create energy-rich molecules. _________________________
 
____          16.        Producers are organisms that use an outside energy source to make energy-rich molecules. _________________________
 
____          17.        Consumers are organisms that cannot make their own energy-rich molecules. _________________________
 
____          18.        Producers obtain energy by eating other organisms. _________________________
 
____          19.        Plant eaters, like deer and rabbits, are called omnivores. _________________________
 
____          20.       Meat eaters, like tigers and frogs, are called herbivores. _________________________
 
____          21.        Pigs and humans are examples of onmivores, animals that can eat both consumers and producers. _________________________
 
____          22.       Worms are herbivores, animals that consume dead organisms. _________________________
 
____          23.       A food chain is a simple model that shows the feeding relationships among the organisms in an ecosystem. _________________________
 
____          24.       Mutualism is any close relationship between species. _________________________
 
____          25.       A symbiotic relationship that benefits both species is referred to as commensalism. _________________________
 
____          26.       In a mutualistic relationship, one species benefits but the other is harmed. _________________________
 
____          27.       Symbiosis is the term used to describe the way an organism survives, including its habitat, how it obtains food and shelter, and how it avoids danger. _________________________
 
____          28.       The presence of predators usually decreases the number of different species that can live in an ecosystem. _________________________
 
____          29.       How individual organisms cooperate with each other to improve survival is a part of the habitat of the species. _________________________
 
____          30.       All green plants are consumers. _________________________
 
____          31.        Food chains describe the feeding relationships in an ecosystem. _________________________
 
____          32.       Parasites break down once-living matter into simple energy-rich substances. _________________________
 
Multiple Choice
Identify the choice that best completes the statement or answers the question.
 
____          33.       Of the following, which is NOT a nonliving feature of the environment?
a.
water
c.
soil
b.
fungi
d.
light
 
 
____          34.       Of the following, which are NOT living organisms?
a.
plants
c.
producers
b.
animals
d.
minerals
 
 
____          35.       The organisms of one species living together in the same place at the same time are a ____.
a.
community
c.
niche
b.
population
d.
all of the above
 
 
____          36.       The role a species plays within a community is its ____.
a.
niche
c.
population
b.
habitat
d.
ecology
 
 
____          37.       The number of individuals in a given area is a ____.
a.
population
c.
population density
b.
community
d.
none of the above
 
 
____          38.       Anything that restricts the number of individuals living in a population is ____.
a.
a limiting factor
c.
symbiosis
b.
population spacing
d.
the biotic potential
 
 
Matching
 
Match each term with the correct definition below.
a.
population density
j.
producers
b.
community
k.
ecology
c.
population
l.
carrying capacity
d.
ecosystem
m.
symbiosis
e.
habitat
n.
consumers
f.
food chain
o.
mutualism
g.
biosphere
p.
commensalism
h.
limiting factor
q.
parasitism
i.
niche
 
 
 
____          39.       the place in which an organism lives
 
____          40.       organisms in an ecosystem that belong to one species
 
____          41.        a close relationship between species
 
____          42.       the study of interactions among organisms and their environment
 
____          43.       all the organisms living in an area and the nonliving features of their environment
 
____          44.       a symbiotic relationship in which one partner benefits but the other is not affected
 
____          45.       how an organism survives in its environment
 
____          46.       organisms that use an outside energy source to make energy-rich molecules
 
____          47.       a symbiotic relationship in which one organism benefits but the other is harmed
 
____          48.       a symbiotic relationship in which both species benefit
 
____          49.       the largest number of individuals of one species that an environment can support and maintain
 
____          50.       organisms that cannot make their own energy-rich particles
 
____          51.        anything that restricts the number of individuals in a population
 
____          52.       the feeding relationships among the organisms in an ecosystem
 
____          53.       the part of Earth that supports life
 
____          54.       the size of a population that occupies a specific area
 
____          55.       all the populations in an ecosystem
 
Completion
Complete each statement.
 
      56.       The portion of Earth that supports life is called the ____________________.
 
      57.       Living and nonliving features of an environment together are referred to as a(n) ____________________.
 
      58.       The study of interactions that occur among organisms and their environment is called ____________________.
 
      59.       The place in which an organism lives is called its ____________________.
 
      60.       The burrow a chipmunk digs under a patio stone is an example of a(n) ____________________.
 
      61.        Both owls and snakes preying on mice in a forest is an example of ____________________.
 
      62.       Sampling is a method of estimating population ____________________.
 
      63.       A population cannot exceed the ____________________ of its environment, which is the largest number of individuals that an ecosystem can support.
 
      64.       Organisms that can use the energy from an outside source such as the Sun to create energy-rich molecules are called ____________________.
 
      65.       Organisms that cannot make their own energy-rich molecules are called ____________________.
 
      66.       A symbiotic relationship in which both organisms benefit is called ____________________.
 
      67.       A symbiotic relationship in which one organism benefits and the other is not affected is called ____________________.
 
      68.       A symbiotic relationship in which one organism benefits and the other is harmed is a ____________________ relationship.
 
      69.       The word ____________________ refers to how an organism survives, how it obtains food and shelter, how it finds a mate and cares for its young, and how it avoids danger.

 
Ecology Chapter 1 Exam Review
Answer Section
 
MODIFIED TRUE/FALSE
 
     1.                    ANS:  F, The biosphere
 
PTS:                    1         DIF:               B         OBJ:               1/1
 
     2.                    ANS:  F, An ecosystem
 
PTS:                    1         DIF:               B         OBJ:               2/1
 
     3.                    ANS:  F, Ecologists
 
PTS:                    1         DIF:               B         OBJ:               2/1
 
     4.                    ANS:  F, community
 
PTS:                    1         DIF:               B         OBJ:               3/1
 
     5.                    ANS:  F, population
 
PTS:                    1         DIF:               B         OBJ:               3/1
 
     6.                    ANS:  F, habitat
 
PTS:                    1         DIF:               B         OBJ:               3/1
 
     7.                    ANS:  F, Competition
 
PTS:                    1         DIF:               B         OBJ:               5/2
 
     8.                    ANS:  T                                                     PTS:   1          DIF:     B
OBJ:                   4/2
 
     9.                    ANS:  F, limiting factor
 
PTS:                    1         DIF:               B         OBJ:               6/2
 
     10.                  ANS:  F, carrying capacity
 
PTS:                    1         DIF:               B         OBJ:               6/2
 
     11.                   ANS:  T                                                     PTS:   1          DIF:     B
OBJ:                   6/2
 
     12.                  ANS:  T                                                     PTS:   1          DIF:     B
OBJ:                   6/2
 
     13.                  ANS:  F, rapidly
 
PTS:                    1         DIF:               B         OBJ:               6/2
 
     14.                  ANS:  F, photosynthesis
 
PTS:                    1         DIF:               B         OBJ:               7/3
 
     15.                  ANS:  F, chemosynthesis
 
PTS:                    1         DIF:               B         OBJ:               7/3
 
     16.                  ANS:  T                                                     PTS:   1          DIF:     B
OBJ:                   7/3
 
     17.                  ANS:  T                                                     PTS:   1          DIF:     B
OBJ:                   7/3
 
     18.                  ANS:  F, Consumers
 
PTS:                    1         DIF:               B         OBJ:               7/3
 
     19.                  ANS:  F, herbivores
 
PTS:                    1         DIF:               B         OBJ:               7/3
 
     20.                  ANS:  F, carnivores
 
PTS:                    1         DIF:               B         OBJ:               7/3
 
     21.                  ANS:  T                                                     PTS:   1          DIF:     B
OBJ:                   7/3
 
     22.                  ANS:  F, decomposers
 
PTS:                    1         DIF:               B         OBJ:               7/3
 
     23.                  ANS:  T                                                     PTS:   1          DIF:     B
OBJ:                   8/3
 
     24.                  ANS:  F, Symbiosis
 
PTS:                    1         DIF:               B         OBJ:               8/3
 
     25.                  ANS:  F, mutualism
 
PTS:                    1         DIF:               B         OBJ:               8/3
 
     26.                  ANS:  F, parasitic
 
PTS:                    1         DIF:               B         OBJ:               8/3
 
     27.                  ANS:  F, Niche
 
PTS:                    1         DIF:               B         OBJ:               9/3
 
     28.                  ANS:  F, increases
 
PTS:                    1         DIF:               B         OBJ:               9/3
 
     29.                  ANS:  F, niche
 
PTS:                    1         DIF:               B         OBJ:               9/3
 
     30.                  ANS:  F, producers
 
PTS:                    1         DIF:               B         OBJ:               7/3
 
     31.                  ANS:  T                                                     PTS:   1          DIF:     B
OBJ:                   8/3
 
     32.                  ANS:  F, Decomposers
 
PTS:                    1         DIF:               B         OBJ:               7/3
 
MULTIPLE CHOICE
 
     33.                  ANS:  B                    PTS:   1                     DIF:    B          OBJ:    1/1
 
     34.                  ANS:  D                    PTS:   1                     DIF:    B          OBJ:    1/1
 
     35.                  ANS:  B                    PTS:   1                     DIF:    B          OBJ:    3/1
 
     36.                  ANS:  A                    PTS:   1                     DIF:    B          OBJ:    9/3
 
     37.                  ANS:  C                    PTS:   1                     DIF:    B          OBJ:    4/2
 
     38.                  ANS:  A                    PTS:   1                     DIF:    B          OBJ:    5/2
 
MATCHING
 
     39.                  ANS:  E                    PTS:   1                     DIF:    B          OBJ:    2/1
 
     40.                  ANS:  C                    PTS:   1                     DIF:    B          OBJ:    8/3
 
     41.                  ANS:  M                   PTS:   1                     DIF:    B          OBJ:    5/2
 
     42.                  ANS:  K                    PTS:   1                     DIF:    B          OBJ:    5/2
 
     43.                  ANS:  D                    PTS:   1                     DIF:    B          OBJ:    2/1
 
     44.                  ANS:  P                    PTS:   1                     DIF:    B          OBJ:    6/2
 
     45.                  ANS:  I                    PTS:   1                     DIF:    B          OBJ:    8/3
 
     46.                  ANS:  J                    PTS:   1                     DIF:    B          OBJ:    8/3
 
     47.                  ANS:  Q                   PTS:   1                     DIF:    B          OBJ:    3/1
 
     48.                  ANS:  O                    PTS:   1                     DIF:    B          OBJ:    1/1
 
     49.                  ANS:  L                    PTS:   1                     DIF:    B          OBJ:    7/3
 
     50.                  ANS:  N                    PTS:   1                     DIF:    B          OBJ:    8/3
 
     51.                  ANS:  H                    PTS:   1                     DIF:    B          OBJ:    7/3
 
     52.                  ANS:  F                    PTS:   1                     DIF:    B          OBJ:    8/3
 
     53.                  ANS:  G                    PTS:   1                     DIF:    B          OBJ:    9/3
 
     54.                  ANS:  A                    PTS:   1                     DIF:    B          OBJ:    3/1
 
     55.                  ANS:  B                    PTS:   1                     DIF:    B          OBJ:    3/1
 
COMPLETION
 
     56.                  ANS:  biosphere
 
PTS:                    1         DIF:               B         OBJ:               1/1
 
     57.                  ANS:  ecosystem
 
PTS:                    1         DIF:               A        OBJ:               2/1
 
     58.                  ANS:  ecology
 
PTS:                    1         DIF:               B         OBJ:               2/1
 
     59.                  ANS:  habitat
 
PTS:                    1         DIF:               B         OBJ:               3/1
 
     60.                  ANS:  habitat
 
PTS:                    1         DIF:               B         OBJ:               3/1
 
     61.                  ANS:  competition
 
PTS:                    1         DIF:               B         OBJ:               5/2
 
     62.                  ANS:  size
 
PTS:                    1         DIF:               B         OBJ:               4/2
 
     63.                  ANS:  carrying capacity
 
PTS:                    1         DIF:               B         OBJ:               5/2
 
     64.                  ANS:  producers
 
PTS:                    1         DIF:               B         OBJ:               7/3
 
     65.                  ANS:  consumers
 
PTS:                    1         DIF:               B         OBJ:               7/3
 
     66.                  ANS:  mutualism
 
PTS:                    1         DIF:               B         OBJ:               8/3
 
     67.                  ANS:  commensalism
 
PTS:                    1         DIF:               B         OBJ:               8/3
 
     68.                  ANS:  parasitic
 
PTS:                    1         DIF:               B         OBJ:               8/3
 
     69.                  ANS:  niche
 
PTS:                    1         DIF:               B         OBJ:               1/1