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Life on Earth
               Video Anticipatory Set
             Number your paper 1-10.
Answer “A” if you Agree with the ...
1. There are about 1 million different types of living things
                      on the earth.
1. There are about 1 million different types of living things
                      on the earth.

According to the video ...
2. The earth is about 5,000 million (5 billion) years old.
2. The earth is about 5,000 million (5 billion) years old.


By most accounts the age of the earth is about 4,600
        ...
3. The conditions on the earth have not changed since it
                      was formed.
3. The conditions on the earth have not changed since it
                      was formed.

Early earth, about 3.5 billion...
4. The first living things on earth were multicellular land
                          animals.
4. The first living things on earth were multicellular land
                          animals.

While some colonial unicell...
5. The first living things appeared on the earth about 10,000
                           years ago.
5. The first living things appeared on the earth about 10,000
                           years ago.

      Microfossils app...
6. Charles Darwin developed a theory to explain the
     variety of different organisms on the earth.
6. Charles Darwin developed a theory to explain the
     variety of different organisms on the earth.

Darwin proposed the...
7. The first forms of life appeared in the oceans.
7. The first forms of life appeared in the oceans.


The first signs of life appeared to be similar to single-cell
algae ari...
8. Earth already had oxygen in the atmosphere when the
                first organisms appeared.
8. Earth already had oxygen in the atmosphere when the
                first organisms appeared.

    Oxygen was not presen...
9. Reproduction is a characteristic of living things.
9. Reproduction is a characteristic of living things.


Reproduction, either asexual or sexual, is necessary for the
     ...
10. According to the fossil record, life forms have changed
                        over time.
10. According to the fossil record, life forms have changed
                        over time.

While some organisms share...
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Life On Earth

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Anticipatory set for watching opening chapter to the video "Life on Earth" .

Publié dans : Technologie, Formation
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Life On Earth

  1. 1. Life on Earth Video Anticipatory Set Number your paper 1-10. Answer “A” if you Agree with the statement or “D” if you Disagree.
  2. 2. 1. There are about 1 million different types of living things on the earth.
  3. 3. 1. There are about 1 million different types of living things on the earth. According to the video there are some 4 million different forms of life on earth.
  4. 4. 2. The earth is about 5,000 million (5 billion) years old.
  5. 5. 2. The earth is about 5,000 million (5 billion) years old. By most accounts the age of the earth is about 4,600 million (4.6 billion) years old.
  6. 6. 3. The conditions on the earth have not changed since it was formed.
  7. 7. 3. The conditions on the earth have not changed since it was formed. Early earth, about 3.5 billion years ago (b.y.a.) was very tectonically active with an atmosphere of methane, hydrogen gas, steam and no oxygen.
  8. 8. 4. The first living things on earth were multicellular land animals.
  9. 9. 4. The first living things on earth were multicellular land animals. While some colonial unicellular organisms existed 1.4 b.y.a., true multicellular organisms did not appear until about 1b.y.a.
  10. 10. 5. The first living things appeared on the earth about 10,000 years ago.
  11. 11. 5. The first living things appeared on the earth about 10,000 years ago. Microfossils appear in rocks dated over 3 b.y.a. (3.8 b.y.a.)
  12. 12. 6. Charles Darwin developed a theory to explain the variety of different organisms on the earth.
  13. 13. 6. Charles Darwin developed a theory to explain the variety of different organisms on the earth. Darwin proposed the theory of evolution by Natural Selection
  14. 14. 7. The first forms of life appeared in the oceans.
  15. 15. 7. The first forms of life appeared in the oceans. The first signs of life appeared to be similar to single-cell algae arising in the warm, mineral rich waters of the early oceans.
  16. 16. 8. Earth already had oxygen in the atmosphere when the first organisms appeared.
  17. 17. 8. Earth already had oxygen in the atmosphere when the first organisms appeared. Oxygen was not present until it was released by photosynthetic organisms. Also, no oxygen, no ozone O3.
  18. 18. 9. Reproduction is a characteristic of living things.
  19. 19. 9. Reproduction is a characteristic of living things. Reproduction, either asexual or sexual, is necessary for the continuation of a species.
  20. 20. 10. According to the fossil record, life forms have changed over time.
  21. 21. 10. According to the fossil record, life forms have changed over time. While some organisms share some characteristics with their fossil ancestors, most appear to change from their original form or die out.

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