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NAME _________________________________ HR___________ Asexual Reproduction Outline Asexual Reproduction Results from the ____________ cell division (__________). o One cell (___________) divides into _______ identical _____________ cells. The offspring are genetically ______________ to the parent cell. There is no fusing (____________) of cells in this type of reproduction. Unicellular and multicellular plants can reproduce both ___________ and __________. Common types of asexual reproduction include: o o o o o o Binary Fission Simplest type of ____________ reproduction. ________ daughter cells of equal A ____-celled organism divides by _________ to form size. Both the ___________ and ___________ divide ______________. The __________________ of the offspring are _______________ to that of the parent. • Example organisms: Budding • • • • A new organism develops as an ______________ of the parent. The new organism, called the _________, is a tiny ___________ of the parent organism. The _____________ divides __________ and the ____________ divides ___________. The bud and the parent may _______________ from each other or may remain _______________ and form a colony. • Unicellular organism: • Multicellular organism: Sporulation • Spores are specialized ____________ reproductive cells that contain a ____________ and a small amount of cytoplasm. • Spores are surrounded by tough protective _________ that enable them to survive in extreme ______ or ______, for long periods of time. • When environmental conditions become ___________, each spore can develop into a _______ organism. •Formation of __________ occurs in Regeneration The development of a new organism from a ________ of the ___________ organism. o Example: In ____________, a single arm can develop into a new ____________. Starfish eat oysters and oyster fishermen once tried to kill starfish by cutting them into pieces. Instead of dying, each starfish piece grew into a new starfish. Regeneration can also mean the ________________ of lost _______ parts. Regeneration of lost body ________ occurs mostly in __________________. o Example: _______ are able to grow a new claw to replace one that has been lost. o Other Examples: Vegetative Propagation A form of _____________ _________ reproduction. A part of a _________– a root, stem, or leaf, grows into a ________ plant. The new plant is ___________ the same as the __________ plant. _____________ fruits and vegetables have to be reproduced by this method. Growers use this type of _______________ because it is _______, easy to use, and usually successful. Natural Vegetative Propagation Tubers – Underground __________ that contain stored __________. White potatoes are _____________. The “_______” of the potato are _________, which can develop into new ___________. Runners – _________ that grow out over the surface of the ____ from the existing stem. • At points along the __________, new __________ grow. • Runners occur in _____________ and some ____________. Rhizomes – Long, modified __________ that grow horizontally _______ the ______. • New plants are produced at _________ along the _________. • Lawn grasses, ferns, and irises reproduce by _____________. Bulbs – Underground _________ specialized for __________ storage. •The food is stored in the thick __________ of the bulb. •Each bulb can develop into a new ________. •___________ are bulbs. Artificial Vegetative Propagation Occurs as the result of ____________ activities. Cuttings – pieces of _______, ________, or ________ develop into new plants under proper conditions. Roses, sugar cane, and bananas are _______________ this way. Grafting – A ___________ from one _______, called the scion, is attached to the main _________ of a rooted _________, the stock. • The scion keeps its own identity. • Seedless ___________ and __________ are _______________ by grafting.