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Asexual reproduction occurs in prokaryotic microorganisms (bacteria) and in some eukaryotic single-celled and multi-celled organisms

Budding is a form of asexual reproduction that results from the outgrowth of a part of a cell or body region Animal Reproduction and Development Access for free at openstax.org. leading to a separation from the original organism into two individuals. Budding occurs commonly in some invertebrate animals such as corals and hydras

The correct option is a. asexual

In a stable or predictable environment, asexual reproduction is an effective means of reproduction because all the offspring will be adapted to that environment. In an unstable or unpredictable environment asexually-reproducing species may be at a disadvantage because all the offspring are genetically identical and may not have the genetic variation to survive in new or different conditions