UNIT 8: THEEARTH, A LIVINGPLANET
 All living things are made of cells. An organism formed by one cell is called unicellular  organism. Ex: Bacteria An o...
TYPES OF CELLS Prokaryotic cells: They don’t have a nucleus. Eukaryotic cells: They have a nucleus and  many organelles....
Levels oforganization ofliving things
 The living things perform three vital functions:  nutrition, interaction and reproduction. Nutrition:   Autotrophic nu...
ACTIVITIES1. The following organisms have a sexual or  asexual reproduction?  A  bacterium that produces two identical ba...
 4. Match the words:  An insect                 Prokaryotic cell  An oak tree               Plant eukaryotic cell  A bact...
The Earth a living planet
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The Earth a living planet

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Unit 8. 1º ESO.

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The Earth a living planet

  1. 1. UNIT 8: THEEARTH, A LIVINGPLANET
  2. 2.  All living things are made of cells. An organism formed by one cell is called unicellular organism. Ex: Bacteria An organism formed by many cells is called multicellular organism. Ex: A dog
  3. 3. TYPES OF CELLS Prokaryotic cells: They don’t have a nucleus. Eukaryotic cells: They have a nucleus and many organelles. They can be:  Animal cell  Plant Cell
  4. 4. Levels oforganization ofliving things
  5. 5.  The living things perform three vital functions: nutrition, interaction and reproduction. Nutrition:  Autotrophic nutrition: They produce their own food. Ex: Plants  Heterotrophic nutrition: They eat other organisms. Ex: Animals Reproduction:  Asexual: Produces identical copies of itself.  Sexual: Two living things join and provide gametes.
  6. 6. ACTIVITIES1. The following organisms have a sexual or asexual reproduction? A bacterium that produces two identical bacteria.  Fish that lay eggs in the water.2. Mould grows and feeds on food leftovers.  Do you think it is autotroph or heterotroph? Explain your answer.3.Draw in your notebook a prokaryotic cell and eukaryotic cell. Label the elements in English and Spanish.
  7. 7.  4. Match the words: An insect Prokaryotic cell An oak tree Plant eukaryotic cell A bacteria Animal eukaryotic cell5. Copy the table in your notebook and mark with a X what you can see in each type of cell. Prokaryotic Eukaryotic Eukaryotic cell animal cell plant cellPlasmaticmembraneCellular wallNucleusChloroplastsVacuolesMitochondria

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