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Understanding the Differences Between Sexual and Asexual Reproduction

This resource explores the fundamental differences between sexual and asexual reproduction, detailing their processes, advantages, and disadvantages. Asexual reproduction involves a single parent creating genetically identical offspring, occurring through methods such as mitosis in various organisms, including plants and some animals. In contrast, sexual reproduction requires two parents and leads to genetic variation through meiosis, fostering adaptability and evolution. Understanding these reproductive methods is essential for grasping concepts of biodiversity and population dynamics.

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Understanding the Differences Between Sexual and Asexual Reproduction

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  1. Do Now • Take papers off side counter • Take out the worksheets you finished for homework • Homework: None!

  2. Sexual vs. Asexual Reproduction What’s the difference???

  3. Asexual Reproduction • Formation of new, individual organism from the cell(s) of a single parent

  4. Occurs in organisms like plants (taking cuttings, runners re-rooting)

  5. Occurs in single-celled organisms by mitosis

  6. Certain animals like sponges, insects, reptiles and fish can do asexual reproduction

  7. PROS Don’t need to find mate Can stay in one place Less energy expended Can produce a bigger population more quickly CONS No genetic variation Population of clones Advantages and Disadvantages of Asexual Reproduction

  8. Sexual Reproduction • Two individuals produce offspring that have genetic characteristics from both parents • Requires fertilization by specialized sex cells made by meiosis

  9. PROS Genetic variation can lead to new traits, better survival and aid evolution CONS Requires more energy to find mate and process usually takes longer Slower population growth Advantages and Disadvantages of Sexual Reproduction

  10. Asexual Reproduction Sexual Reproduction -Only one parent -Offspring are genetic clones of parents -No genetic variation! -In some organisms, it is as simple as MITOSIS -Requires two different parents -Specialized sex cells, made by MEIOSIS -Lots of genetic variation, good for evolution Method of reproduction

  11. Asexual Reproduction Sexual Reproduction -Only one parent -Offspring are genetic clones of parents -No genetic variation! -In some organisms, it is as simple as MITOSIS -Requires two different parents -Specialized sex cells, made by MEIOSIS -Lots of genetic variation, good for evolution Method of reproduction

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