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Asexual Reproduction (1)

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  • 1. Asexual Reproduction Mr.Miller
  • 2. Is this Statement true or false?
    • Two parents are needed to produced a new organism
  • 3. What in the world is this?
  • 4. This is a starfish Some starfish have the ability to regenerate if their limbs are removed
  • 5. What is reproduction?
    • Reproduction is the process of producing offspring
    • Offspring - a new organism produced by one or two parents
    • There are two types of reproduction
      • Asexual Reproduction
      • Sexual Reproduction
  • 6. What is asexual reproduction ?
    • Asexual Reproduction is the process of producing offspring with only one parent.
  • 7. How does this happen?
    • There are several forms of asexual reproduction, which include:
    • Regeneration (Fragmentation)
    • Budding
    • Binary Fission
    • Mitosis
  • 8. What is Budding?
    • Budding is a form of asexual reproduction
    • Budding involves the development pinching off of a new cell
    • Budding is very common in plants and fungi , but may be found in animal organisms as well, such as the Hydra . Usually, the protrusion stays attached to the primary organism for a while, before becoming free. The new organism is genetically identical to the primary one (a clone ).
  • 9. Budding in a hydra
  • 10. Regeneration (Fragmentation)
    • Regeneration is another form of asexual reproduction
    • During regeneration, an organism breaks into two or more parts.
    • Each part can grow into separate organisms
    • Starfish and sponges have the ability to reproduce asexually by regeneration
  • 11. Binary Fission
    • Binary fission is a process of asexual reproduction in prokaryotic cells
    • Binary fission has four steps
      • 1. cell growth
      • 2. DNA replication
      • 3. Cell separation & growth
      • 4. The cell splits in two
  • 12. Asexual Reproduction Poster
    • Instructions: You must create a poster that contains the following elements
    • Title (5pts)
    • Definition of Title term (10pts)
    • A drawing to represent each type of asexual reproduction(20 pts each)
    • Title to label the type of asexual reproduction be displayed (5 pts each)
    • A description of what occurs during this type of asexual reproduction (10 pts each)
  • 13. What is mitosis?
    • Mitosis is the process of cell division in eukaryotic cells
    • Cells have a life cycle which is called the cell cycle. The cell cycle includes two stages:
      • Interphase
      • Mitosis
  • 14. Which organisms reproduce this way?
    • Amoebas are single cell organisms that use mitosis to reproduce
    • The cells in the human body also reproduce through mitosis
  • 15. Interphase
    • Before cells can divide their DNA must be replicated during interphase .
    • DNA is organized into structures called chromosomes
    • Then Cell Division occurs in a series of stages or phases
  • 16.
    • There are four phases in mitosis:
      • Prophase
      • Metaphase
      • Anaphase
      • Telophase
  • 17. Prophase
  • 18. Metaphase
  • 19. Anaphase
  • 20. Telophase
  • 21. Cytokinesis
  • 22. Lets Review What We Learned!
    • What is reproduction?
  • 23. Reproduction is the process of producing offspring
  • 24. What Are Offspring?
  • 25. Offspring are new organisms created by one or two parents
  • 26. What are the two types of reproduction?
  • 27. Asexual Reproduction & Sexual Reproduction
  • 28. What is Asexual Reproduction?
  • 29. Asexual Reproduction is the process of producing offspring with only one parent

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