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Characteristics of Living Things and Classification

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Characteristics of Living Things and Classification What makes something living? How do we organize living things? Organization of Living Things 4 Characteristics of ... – PowerPoint PPT presentation

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Title: Characteristics of Living Things and Classification


1
Characteristics of Living Things and
Classification
  • What makes something living?
  • How do we organize living things?

2
Organization of Living Things
MULTICELLULAR ORGANISMS
UNICELLULAR ORGANISMS
3
4 Characteristics of ALL Living Things
  • Living things are made of CELLS that contain DNA
  • Living things have a METABOLISM to help them use
    energy to live, grow, and develop
  • Living things maintain HOMEOSTASIS
  • A stable internal environment
  • Living things REPRODUCE

4
Similarities and Differences Among Living Things
  • Living things go about the 4 characteristics in
    similar AND different ways
  • 8 Life processes that are similar and different
    among living things
  • Obtaining nutrients
  • Transport of materials throughout organism
  • Breaking down nutrients to get energy (cellular
    respiration)
  • Combining simple substances to make more complex
    substances (synthesis)
  • Growth
  • Removal of waste products (Excretion)
  • Responding to internal and external stimuli
    (Sensitivity)
  • Reproducing

5
Helping Vocabulary
  • Number of cells
  • Multicellular
  • Made of many cells
  • Unicellular
  • Made of one cell
  • Nucleus- Yes or No?
  • Eukaryote
  • Cells contain a nucleus
  • Prokaryote
  • Cells lack a nucleus
  • Mode of nutrition
  • Heterotroph
  • Need to obtain food
  • Autotroph
  • Can make own food

6
Just to get you thinking!
  • http//www.youtube.com/watch?vwF1lA161eJ0feature
    related

7
The 6 Kingdoms
  • Similarities and Differences in life processes
    has grouped orgs into 6 different kingdoms
  • Animalia
  • Fungi
  • Plantae
  • Protista
  • Monera
  • (now Archebacteria and Eubacteria)

MULTICELLULAR
EUKARYOTIC
UNICELLULAR
PROKARYOTIC
8
Obtaining Nutrients
  • Heterotroph
  • Gets nutrients from the environment
  • Kingdoms
  • Animalia, Fungi, Some Protista and Monera
  • Autotroph
  • Makes own food
  • Kingdoms
  • Plantae and some Protists (photosynthesis), some
    Bacteria (chemosynthesis)

9
Transport of materials
  • Unicellular Orgs
  • Transport within cytoplasm
  • Kingdoms
  • Protista, Monera
  • Multicellular Orgs
  • Transport within liquids and tubes
  • Kingdoms
  • Animalia, Plantae, Fungi

10
Reproduction
  • Asexual
  • One parent
  • Offspring genetically identical (clones)
  • Kingdoms
  • Some Fungi, Protista, Monera
  • Sexual
  • Two parents
  • Offspring genetically different from parents
  • Kingdoms
  • Some Fungi, Plantae, Animalia

11
Classification of Living Things
  • Why classify organisms?
  • For easy identification
  • For evolutionary comparison of organisms
  • Organisms are grouped into large categories based
    on similarities
  • Once in a group, organisms are separated based on
    differences

12
Classification of Living Things
  • 5 Kingdoms
  • Phyla (s. Phylum)
  • Class
  • Order
  • Family
  • Genus
  • species

DIVIDED INTO
DIVIDED INTO
DIVIDED INTO
OF ORGANISMS DECREASES
DIFFERENCES AMONG ORGS INCREASES
DIVIDED INTO
DIVIDED INTO
DIVIDED INTO
13
Acronym to help remember!
  • King
  • Phillip
  • Came
  • Over
  • For
  • Good
  • Spaghetti

14
Classification of Humans
  • KINGDOM Animalia
  • PHYLUM Chordata
  • Has backbone
  • CLASS Mammalia
  • Females have mammary glands
  • ORDER Primates
  • Larger brain size
  • FAMILY Hominidae
  • GENUS Homo
  • SPECIES sapiens

15
Scientific Naming
  • Scientific name Genus species
  • species is not capitalized
  • Always italicized or underlined
  • Ex. Homo sapiens or Homo sapiens
  • Abbreviation
  • First letter of Genus, followed by species
  • Ex. H. sapiens
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