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Asexual Reproduction of Animals

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A Slide presentation on the asexual reproduction of animals Grade 5 level.

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Asexual Reproduction of Animals

  1. 1. Asexual Reproduction of Animals
  2. 2. Budding • Flatworms The vast majority of flatworms reproduce by budding. These animals, biologically, are extremely basic. They have no respiratory or circulatory systems and therefore no need for body cavities. They take in oxygen and nutrients through the process of diffusion. To reproduce, flatworms produce self-fertilized eggs and release them.
  3. 3. Upon release, these eggs split and go on to grow into entirely new organisms. All types of parasitic flatworm, such as tapeworms, use budding. Budding is an important adaptation for parasitic animals, as this method of reproduction means offspring are guaranteed to be born into the ideal habitat, namely the host organism.
  4. 4. • Jellyfish Jellyfish don’t rely solely on budding to reproduce. They first release a sperm and egg into the water. Once fertilized, the sperm and egg grow into a basic organism called a polyp, which lives attached to the base of a rock. The polyp then grows, before releasing a genetically identical bud of itself, that grows into an adult jellyfish.
  5. 5. • Sea Anemones Sea anemones reproduce in a similar fashion to jellyfish. The first stage of reproduction, whereby the polyp is produced, is sexual; the second stage of reproduction, whereby the polyp buds, is asexual. The polyp then goes on to form a “medusa" that reproduces with itself to form a polyp.
  6. 6. • Corals Due to the nature of budding, large colonies of organisms can be produced at a very fast rate with minimal interference from outside factors. One of the best examples of this phenomenon is the coral reef, which is a huge colony of living organisms, almost identical to one another, created via reproductive budding.
  7. 7. Budding of Hydra
  8. 8. Budding
  9. 9. Binary Fission of Amoeba
  10. 10. Binary Fission
  11. 11. Binary Fission
  12. 12. Regeneration of Lizard’s Tail
  13. 13. Regeneration
  14. 14. Regeneration

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