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Types of Reproduction

Types of Reproduction. Asexual Sexual. Heredity Table of Contents. 7.4.1 Notes Asexual Reproduction Tree Map. SPI 7.4.1—Classify methods of reproduction as sexual or asexual. Purpose of Reproduction. To make sure a species can continue.

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Types of Reproduction

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  1. Types of Reproduction Asexual Sexual

  2. Heredity Table of Contents • 7.4.1 Notes • Asexual Reproduction Tree Map

  3. SPI 7.4.1—Classify methods of reproduction as sexual or asexual

  4. Purpose of Reproduction • To make sure a species can continue. • Definition: Reproduction is the process by which an organism produces others of its same kind.

  5. Asexual Reproduction • A new organism (sometimes more than one) is produced from one organism. • The offspring will have hereditary material uniform with the hereditary material of the parent organism. (The offspring will be genetically the same as the parent)

  6. Types of Asexual Reproduction • Budding • Regeneration or Fragmentation • Fission (Binary fission) • Spores • Vegetative Propagation

  7. Budding • Process by which a new, duplicate plant or animal begins to form at the side of the parent and enlarges until an individual is created.

  8. Hydra http://www.waycross.edu/faculty/bmajdi/hydra%20budding.jpg

  9. Cacti http://judyepstein.com/images/DesertImages/Budding-Purple-LG.jpg

  10. Regeneration or Fragmentation • The ability to restore lost or damaged tissues, organs or limbs. • It is a common feature in invertebrates, like worms and starfish.

  11. Starfish http://www.vsf.cape.com/~jdale/science/starfishregenerating.jpg

  12. Planarians http://classes.design.ucla.edu/Spring05/152BC/projects/saito/ex3/planaria.jpg

  13. Fission • Also called binary fission. • Becoming two by division of the complete organism. • A type of cell division.

  14. Paramecium http://wappingersschools.org/RCK/staff/teacherhp/johnson/visualvocab/BinaryFissionParamecium.jpg

  15. Bacteria http://coris.noaa.gov/glossary/binary_fission_186.jpg

  16. Spores • A reproductive cell capable of developing into a new individual without fusion with another reproductive cell • Found in mold, fungi, and ferns

  17. Mold

  18. Puffball

  19. Ferns

  20. Vegetative Propagation • A process which doesn’t involve a seed to produce new plants. • Examples: runners, bulbs, cuttings, grafting

  21. Bulbs

  22. Cuttings

  23. Grafting

  24. Runners

  25. Sexual Reproduction • Requires two sex cells – egg and sperm • The egg and sperm join to form an entirely new organism • Different from the parent organism

  26. Flowering plants

  27. Seeds

  28. Eggs

  29. Fish eggs

  30. Frog eggs

  31. Baby hedgehogs

  32. Baby animals

  33. Human babies

  34. IMPORTANT! • Asexual reproduction results in offspring that are genetically identical to the parent organism • Sexual reproduction results in offspring that are genetically different from the parent organisms

  35. Sexual versus Asexual Reproduction

  36. Exit Slip • Describe the difference between asexual and sexual reproduction.

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