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WALTs Some organisms reproduce asexually During asexual reproduction all genetic information comes from a single a single parent Organisms that result from asexual reproduction are genetically identical to the parent Fission Single celled organisms reproduce by splitting into two. This is often the only mode of reproduction for these organisms. Examples would be paramecium and bacteria. Fragmentation Some animals can grow from a separate piece of parent animal. This only happens in the simplest of animals. These animals may also reproduce sexually. Example: Flat Worm Budding Cell division produces a bud. As a bud grows it forms an identical copy of its parent, then separates from its parent and becomes independent. These organisms may also be able to reproduce sexually. Example: Hydra Vegetative Propagation New plants can be reproduced by selection of parent plants that have been cut off. Cambium cells from stems, roots, and leaves of a parent plant can take root and sprout. New plants reproduced in this way are genetically identical to the parent plant. These plants can also reproduce sexually. Example: Spider plants and willow trees. Parthenogenesis Some animals may produce eggs that develop directly into offspring without fertilization. Often, these organisms may reproduce sexually. Examples: Insects, reptiles, and fishes. The choice between sexual and asexual reproduction is typically determined by environmental conditions.