Living Things and the Environment – Wikispaces

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Name                                              Date                                              Class

Populations and Communities             
                                           Adapted Reading and Study


       Living Things and the Environment
         (pages 611)

       Habitats        (page 7)

       Key Concept: An organism obtains food, water,
       shelter, and other things it needs to live, grow, and
       reproduce from its environment.
        An organism is a living thing. You are an organism.
        A habitat is a place that an organism needs to live,
         grow, and reproduce. A pond is a frog's habitat.
        Different organisms live in different habitats. They live in
         different habitats because they have different needs.

       Answer the following questions. Use your textbook and the
       ideas above.
       1. Read each word in the box. In each sentence below, fill
          in one of the words.

                   organism                      environment                         habitat


          a. A living thing is also called a(an)
                                       .
          b. A place that a living thing needs to live, grow, and
              reproduce is called a(an)                                                                     .

       2. Circle the letter of each sentence that is true about
          habitats.
          a. One area may contain many habitats.
          b. Different organisms live in different habitats.
          c. Each area has only one habitat.



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                                                          4
Name                                              Date                                              Class

Populations and Communities             
                                           Adapted Reading and Study

       Biotic Factors                 (page 7)

       Key Concept: An organism interacts with the living




                                                                                                            Populations and
       parts of its habitat.




                                                                                                             Communities
        Each organism affects all the other organisms in its
         habitat. All the other organisms also affect it.
        The living parts of a habitat include all the living things in
         it. The living things include all the different plants and
         animals, for example.
        The living parts of a habitat are called biotic (by AHT ik)
         factors. Biotic factors include animals, plants, and other
         organisms.

       Answer the following questions. Use your textbook and the
       ideas above.
       3. Is the following sentence true or false? Each organism
          affects all the other organisms in its habitat.

       4. The living parts of a habitat are called
                                                         factors.

       Abiotic Factors                     (page 8)

       Key Concept: An organism interacts with the
       nonliving parts of its habitat.
        Each organism affects all the nonliving parts of its
         habitat. The nonliving parts also affect it.
        The nonliving parts of a habitat are called abiotic
         factors. Abiotic factors include water, sunlight, oxygen,
         temperature, and soil.
        Plants and algae need certain abiotic factors to make
         their own food. The food-making process is called
         photosynthesis (foh toh SIN thuh sis). To carry out
         photosynthesis, plants and algae need water, carbon
         dioxide, and sunlight.
                   Pearson Education, Inc., publishing as Pearson Prentice Hall. All rights reserved.
                                                          5
Name                                             Date                                              Class

Populations and Communities            
                                          Adapted Reading and Study

        Most living things need oxygen to carry out the
         processes that keep them alive. You get oxygen from the
         air you breathe.

       Answer the following questions. Use your textbook and the
       ideas on page 5 and above.
       5. Complete the concept map about abiotic factors by
          filling in the blanks in the circles.


                                                    Abiotic
                                                    factors


                                                   include




              Water                                                               b.



                 a.                                                       Oxygen




       6. Read each word in the box. In each sentence below, fill
          in the correct word or words.


           abiotic factors                 photosynthesis                            biotic factors


          a. Plants make their own food in a process
             called                          .
          b. The nonliving parts of a habitat are
             called                                                          .




                  Pearson Education, Inc., publishing as Pearson Prentice Hall. All rights reserved.
                                                         6
Name                                              Date                                              Class

Populations and Communities             
                                           Adapted Reading and Study

       Levels of Organization                                  (pages 911)

       Key Concept: The smallest level of organization is a
       single organism, which belongs to a population that
       includes other members of its species. The population
       belongs to a community of different species. The
       community and abiotic factors together form an
       ecosystem.
        A species (SPEE sheez) is a group of organisms that
         look alike and can mate with one another. For example,
         all lions are of the same species.
        A population includes all the members of the same
         species that live in an area.
        All the different populations in an area make up a
         community. All the plants and animals that live in the
         same forest are a community.
        An ecosystem is the community of organisms in an
         area and the nonliving parts of the area.
        Ecology is the study of how living things affect one
         another. Ecology also is the study of how living things
         affect the environment and how the environment affects
         living things. Scientists who study ecology are called
         ecologists.

       Answer the following questions. Use your textbook and the
       ideas above.
       7. Complete the diagram below. The diagram shows
          levels of organization in an ecosystem. The diagram
          begins at the left with the smallest level of organization.


       Organism     a.                                         b.                                        Ecosystem




                   Pearson Education, Inc., publishing as Pearson Prentice Hall. All rights reserved.
                                                          7
Name                                             Date                                              Class

Populations and Communities            
                                          Adapted Reading and Study

       8. Draw a line from each term to its meaning.

          Term                         Meaning
          community                    a. group of organisms that look alike
                                          and can mate with one another
          ecosystem                    b. all the members of the same
                                          species that live in an area
          ecology
                                       c. the study of how living things
          population                      affect each other and the
                                          environment
          species                      d. all the different populations in
                                          an area
                                       e. the community of organisms in
                                          an area and the nonliving parts
                                          of the area




                  Pearson Education, Inc., publishing as Pearson Prentice Hall. All rights reserved.
                                                         8
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