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Asexual Reproduction. Cup o ’ Joe. Define ‘reproduction’ and ‘asexual’ in your own words. Reproduction. Creating new organisms from existing organisms. Asexual. Reproduction needing only 1 parent Prefix ‘a’ = without. Budding. Growth of cells on adult organism
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Cup o’ Joe • Define ‘reproduction’ and ‘asexual’ in your own words.
Reproduction • Creating new organisms from existing organisms
Asexual • Reproduction needing only 1 parent • Prefix ‘a’ = without
Budding • Growth of cells on adult organism • Offspring break loose when fully developed • Hydra
Fragmentation • Mature adult breaks into 2 or more fragments • Fragments produce new organism • Flatworms
Parthenogenesis • Eggs can develop with no fertilization!! • Honeybees – unfertilized eggs become male drones; fertilized eggs become female workers & queens
Gemmules • Internal buds eventually expelled by adult • Produced in harsh conditions, resume growing in favorable contitions • Sponges
Regeneration • Damaged tissue will not only heal but replace body part • Newt’s injured limb will re-grow • Starfish’s broken arm will create 2 new organisms
Binary Fission • Produces 2 identical cells from original parent • Prokaryotic cells • Mitosis in Eukaryotes
Homework: Write one paragraph explaining why reproduction is important for preserving life. Use the relationship between reproduction and the status of endangered species in your reasoning.