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Asexual Reproduction Worksheet 1. Single-celled organisms, such as Paramecium, can reproduce very quickly by asexual reproduction. A Paramecium can divide in two, grow and be ready to divide again in 8 hours. Answer the following questions: (a) What must a Paramecium do if it is to grow in size before it can divide? (b) One Paramecium is placed in a jar of pond water. If the conditions are perfect it will divide in two every 8 hours. How many Paramecia would be present in the jar after (i) one day (24h) and (ii) one week? (c) In fact the numbers of Paramecia in the jar will probably follow the pattern shown in the graph opposite. After one week are there: more Paramecia or less Paramecia than you calculated in part (b)? 1 Asexual Reproduction Worksheet (d) Can you explain why there should be a difference between your calculations and this graph? 2. Matching Select the organisms that perform this type of sexual reproduction. _____1. Binary Fission _____2. Budding _____3. Fragmentation _____4. Regeneration _____5. Vegetative reproduction A. Star fish B. Amoeba C. yeast D. Hydra E. White potato plant Matching II. Select the appropriate definition for each type of asexual reproduction. _____1. Mitosis A. growing back a missing part _____2. Fragmentation B. section of a cell grows and seperates from the original cell _____3. Spore Formation C. cellular division _____4. Binary Fission D. smaller Indentical cells produced from frequent cell division _____5. Budding E. organism divided into two with a copy of parents DNA 3. What are the advantages to asexual reproduction? 4. What are the advantages of sexual reproduction? 2