Chapter 6 Multi-cellular Organisms Lesson 1 - PowerPoint PPT Presentation

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Chapter 6 Multi-cellular Organisms Lesson 1

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Chapter 6 Multi-cellular Organisms Lesson 1 How are living things grouped? Vocabulary Preview Classification: process of grouping similar things together Kingdom: a ... – PowerPoint PPT presentation

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Title: Chapter 6 Multi-cellular Organisms Lesson 1


1
Chapter 6 Multi-cellular Organisms Lesson 1
  • How are living things grouped?

2
Vocabulary Preview
  • Classification process of grouping similar
    things together
  • Kingdom a major, large group of similar
    organisms
  • Species a single kind of organism that can
    reproduce among its own kind

3
Classification
  • When you walk into your kitchen at home, you
    probably know where to find most things.
  • The forks are in a certain drawer with spoons and
    knives.
  • Soups, vegetables, macaroni are all in a pantry
  • Can you think of other items in your kitchen that
    have a certain place?
  • Putting similar items together in a kitchen makes
    cooking and cleaning up easier.

4
Classification
  • The process of classification, or grouping
    similar things together, makes sense in a
    kitchen.
  • It also helps scientists who study living things.
  • No one can know everything about the 10 MILLION
    different kinds of organisms that live on Earth.
  • By identifying characteristics that living things
    share, scientists can group similar organisms
    together.
  • Scientists look for similarities in the way
    organisms look, live, eat, move, grow, change and
    reproduce

5
CLASSIFICATION
  • What characteristics do these two animals share?

6
Grouping Living Things
  • Scientists classify for many reasons.
  • How can classifying make things easier?
  • It makes finding/sharing information easier
  • When they discover a new organism they can look
    at other organisms they have already studied

7
The Five Kingdoms https//www.brocktonpublicschoo
ls.com/uploaded/TeachingLearning/ScienceResourcesK
-8/OtherResources/Grade_6_Science_PowerPoint_on_5_
Kingdoms.ppt
One classification system divides all organisms
into five kingdoms Animals, Plants, Fungi,
Protists, and Bacteria. What characteristics does
each kingdom have?
8
Grouping Living Things.
  • Scientists classify living organisms into major,
    large groups called kingdoms.
  • All members of each kingdom have certain
    characteristics
  • Different methods of classification have
    different members of kingdoms-either five or six

9
Grouping Living Things..
  • Scientists need to classify animals together
    because animals are made of many cells and they
    feed on other living or once living things.
  • Plants have many cells also, but they make their
    own food.
  • Fungi are many-celled organisms, but they dont
    make their own food. They absorb it from the
    remains of other organisms.
  • Protists are one celled organisms
  • Bacteria are all one celled organisms
  • Their cells have no nucleus
  • Most feed the way fungi do, but some make their
    own food.

10
Smaller Groups
  • Kingdoms include many different organisms.
  • The members of each group share more and more
    characteristics.
  • The smallest group contains only one kind of
    organism.

11
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12
Smaller Groups
  • First Step divide each kingdom into smaller
    groups.
  • A Phylum-is a major group within a kingdom
  • Organisms in a phylum have more characteristics
    in common than do organisms in different phyla.
  • Phylas are divided into classes, classes are
    divided into orders, and orders are divided into
    families.
  • Just as in your family, members of the same
    family share many characteristics
  • Like human families, they have individual
    differences.
  • A genus can contain one or more specied.
  • A Species is a unique kind of organism

13
Smaller Groups..
  • Every different kind of living thing has its own
    specific name.
  • This name includes the names of the smallest two
    groups-genus and species
  • Example The scientific name for a house cat is
    Felis domesticus. Felis is the names of its
    genus.
  • The names of its species is domesticus.
  • House cats and only house cats have this name
  • When scientists use this name they know they are
    only talking about house cats.

14
Smaller Groups.
  • To divide larger groups into smaller groups,
    scientists look for characterisitics that some
    members of one group have but others dont.
  • Example Butterfly is the only animal in the top
    group that doesnt have a backbone.
  • Soooo the butterfly doesnt belong to the same
    phylum as the other animals.
  • At the next level, all the animals except the
    fish are mammals, so the fish doesnt belong
  • As the group gets smaller, each group includes
    organisms that are more alike

15
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