1. Name: Shaikh Yasmin Rashid Ahmed Std:X Topic:Reproduction and modes of reproduction

2. `` 3. REPRODUCTION All living organisms produce new individual of same speciesThat is a new, generation of species from anexisting individual 4. SIGNIFICANCE OF REPRODUCTION Necessary to maintain the number of individuals of species To prevent their extinction 5. ChemicalreactionsDNAcopies 6. parentChildidentical similar 7. Variation:the changes that occur during theprocess of replication or formation of DNAcopy,these changes are known as variation.DNA copyminorchangesVariationParentDNAChild DNA 8. IMPORTANCE OFVARIATION:Imagine the confusion when everybodyarounds you look same.Creates Diversity 9. IMPORTANCE OF VARIATION:Survival of species 10. npairs 2n2n2n2n2nNumber ofchromosomesTotal number ofchromosomesTotal number of chromosomes in each childParent cellDaughtercell 11. MODES OF REPRODUCTION: Only one parent Body cells(somaticinvolvedcells)2n2n 2nMITOSISSexualreproduction Two parents involved Reproductive cells(germ cells,gametesAsexualreproductionnn2nMEIOSIS 12. 1)BINARY FISSION(PARAMOECIUM)Parent cell NucleusdividesCytoplasmdividesTwo daughtercellsASEXUAL REPRODUCTION: 13. BINARY FISSION IN PARAMOECIUM 14. APPLICATION: 15. EVALUATION:-A L T Y I K G MS M Z G H P N KE A O T O G I FX L Y E A L D NU E X J B K D KA Q W D K A U DL F V C V C B GClues:Unicellular animalOne of the twosMeoxdees ofRreepprroodduuccttiioonn without union ofgTaypmee otefs asexual reproduction 16. THANK YOU