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Types of Reproduction

Types of Reproduction. Asexual Sexual. 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. Asexual Reproduction.

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Types of Reproduction

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  1. Types of Reproduction Asexual Sexual

  2. 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.

  3. 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. This means they will be genetically alike.

  4. Types of Asexual Reproduction • Budding • Regeneration • Fission (Binary fission)

  5. 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. • Very common in plants;

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

  7. http://judyepstein.com/images/DesertImages/Budding-Purple-LG.jpghttp://judyepstein.com/images/DesertImages/Budding-Purple-LG.jpg

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

  9. http://www.vsf.cape.com/~jdale/science/starfishregenerating.jpghttp://www.vsf.cape.com/~jdale/science/starfishregenerating.jpg

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

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

  12. http://wappingersschools.org/RCK/staff/teacherhp/johnson/visualvocab/BinaryFissionParamecium.jpghttp://wappingersschools.org/RCK/staff/teacherhp/johnson/visualvocab/BinaryFissionParamecium.jpg

  13. http://coris.noaa.gov/glossary/binary_fission_186.jpg

  14. 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

  15. 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

  16. An interesting video… Pipefish show the dark side of male pregnancy Male pregnancy occurs only in seahorses, pipefish and seadragons. But far from being model dads, new research shows that male pipefish selectively abort embryos from less attractive females

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