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Unit 1: Life Science

Chapter 1: Living Things Need Energy

chapter1studyguide.pdf
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Lesson 1: Plants & Sunlight
Vocabulary
  • photosynthesis
  • solar energy
  • environment
  • biomass



Text link to Living Things Need Energy
Living Things Need Energy Quiz Game
Photosynthesis
Plant Part Game
Root Factory
Life Cycle of Plants
Illuminating Photosynthesis
Build your own bio-dome!
Study Jams

Summary
         Main Idea Plants use the Sun’s energy   
         to make food energy through a process called   
         photosynthesis.

        Plants are important
        living things. Most plants
        have roots, stems, and
        leaves. (pp. 26–27)
        Green plants carry
        out photosynthesis to
        make food energy from
        sunlight, water, and
        carbon dioxide.
        (pp. 28–31)
        Plants make up most
        of the biomass in an
        environment. (p. 32)

Lesson 2: Food Chains
Vocabulary
  • food chain
  • producer
  • consumer
  • decomposer
  • herbivore
  • carnivore
  • omnivore

Text Link to Food Chains
Animal Diets
Another Food Chain Game
BBC Food Chain Game
Producer Consumer De-composer Game
All About Food Chains

Summary
        4 LS 2.a 4 LS 2.b 4 LS 2.c
        Food chains describe
        the flow of energy
        among living things in an
        environment. A complete
        food chain includes
        producers, consumers,
        and decomposers.

        A food chain is made of
        producers, consumers,
        and decomposers.
        (pp. 38–39)

        Consumers can be
        herbivores, carnivores, or
        omnivores. (pp. 40–43)

        Decomposers break
        down organisms that are
        no longer living.
        (pp. 44–45)

Lesson 3: Food Webs
Vocabulary
  • food web
  • competition
  • population
  • energy pyramid

Text Link to Food Webs
Study Jams Food Webs
Food Chain Games
Food Web Game
Build a Food Web
Check out this super cool National Geographic site about food webs!
Summary   
      Main Idea 4 LS 2.b
        Food webs are food
        chains that are linked
        together. Food webs
        show how producers and
        consumers are related.

        A food web is a group of
        linked food chains. Each
        member of a food web
        can belong to more than
        one food chain.
        (pp. 52–53)

        Even small changes to a
        food web can affect the
        food web greatly.
        (pp. 54–57)

        An energy pyramid
        shows how much energy
        is passed to living things
        in a food web. (p. 58)

Lesson 4: Microorganisms
Vocabulary
  • microorganisms
  • bacteria
  • protists
  • fungi

Text Link to Microorganisms
Pond Scum to Energy- Microorganisms
Science Kids Microorganisms
Quiz Your Noodle: Bacteria
Sumamry
    Main Idea: Main Idea 4 LS 3.d
    Microorganisms are
    living things too small
    to be seen with just our
    eyes. Microorganisms
    can be producers,
    herbivores, carnivores, or
    decomposers.

    Bacteria and protists
    are two examples of
    microorganisms. They
    can be helpful or harmful.
    (pp. 64–65)

    Microorganisms can be
    producers, consumers, or
    decomposers.
    (pp. 66–69)

    Microorganisms in your
    body help you stay
    healthy. You can help
    keep harmful bacteria out
    of your body. (p. 70)

Chapter 2: Living Things and Their Environment

Lesson 1: Ecosystems
Vocabulary
  • ecosystem
  • biotic factor
  • abiotic factor

Text Link to Living Things and Their Environment
Ecosystems Explained in Video
 Summary:
    Main Idea 4 LS 3.a
    The living and nonliving
    things that interact in
    an environment make
    up an ecosystem. Each
    ecosystem has different
    living and nonliving
    things.
    The living and nonliving
    things that interact in an
    environment make up an
    ecosystem. (pp. 84–85)

    Ecosystems are shaped
    by their biotic and
    abiotic factors.
    (pp. 84–85)

    Deserts, rain forests,
    and coral reefs are
    just a few examples of
    ecosystems. Each has a
    different climate, soil, and
    organisms. (pp. 86–90)

Lesson 2: Living Things Need Each Other
Vocabulary
  • pollination
  • seed dispersal

Text Link to Living Things Need Eachother
Summary:
Main Idea 4 LS 3.c
Animals depend on
plants for food and
shelter. Plants depend on
animals to spread seeds
and pollinate flowers.
Many plants depend on
animals to help pollinate
flowers. (pp. 98–99)

Many plants depend on
animals to spread seeds.
(p. 100)

Lesson 3: Changes in the Ecosystem
Vocabulary
  • accommodations
  • endangered
  • extinct

Text Link to Changes in the Ecosystem
Study Jams Video: Adaptations
Summary:
Main Idea 4 LS 3.b
When an ecosystem
changes, plants
and animals in that
ecosystem can be
harmed. Some organisms
survive changes better
than others.
Natural events and
human activities can
cause ecosystems to
change. (pp. 106–107)

When ecosystems
change, some organisms
survive and others are
harmed. (pp. 108–109)

Humans can help protect
ecosystems. (p. 110)

Lesson 4: Adaptations
Vocabulary
  • adaptations
  • camouflage
  • mimicry
  • genetics

Text Link to Adaptations

Study Jams Video 

Picture
 Summary:
Main Idea 4 LS 3.b
An adaptation is a
special feature that helps
an organism survive in its
environment.
Adaptations are
features that help living
things survive in their
environment. (pp. 116–117)

Desert and Arctic
plants and animals have
adaptations that help
them survive in their
ecosystems. (pp. 118–121)

Ocean plants and
animals have adapted
to life in this underwater
environment. (p. 122)
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