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Teacher professional development and classroom resources across the curriculum. At first glance, a comparison of plants and animals suggests that members of these groups have very little in common. A closer look at their life cycles, however, reveals similarities that often surprise people.

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Sexual reproduction is neither better nor worse than vegetative reproduction. They often play different roles and, when both methods are present in a species, the two are best viewed as complementary. The Lasallia pustulata example at the end of this page is a good example of such complementarity.

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Please take this quick survey to tell us about what happens after you publish a paper. Bulletin of Mathematical Biology. Sexual reproduction and dispersal are often coupled in organisms mixing sexual and asexual reproduction, such as fungi.

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Sporea reproductive cell capable of developing into a new individual without fusion with another reproductive cell. Spores thus differ from gameteswhich are reproductive cells that must fuse in pairs in order to give rise to a new individual. Spores are agents of asexual reproductionwhereas gametes are agents of sexual reproduction. Spores are produced by bacteriafungialgaeand plants.

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There are generally two types of reproduction in nature: with and without sex. During sexual reproduction, the genetic material from two individuals is combined, and used to form a new organism. The sexless form of reproduction is called asexual reproduction.

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Start your free trial today and get unlimited access to America's largest dictionary, with:. What made you want to look up sexual spore? Please tell us where you read or heard it including the quote, if possible.

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Mucor circinelloides is a zygomycete fungus and an emerging opportunistic pathogen in immunocompromised patients, especially transplant recipients and in some cases otherwise healthy individuals. We have discovered a novel example of size dimorphism linked to virulence. The larger sporangiospores germinate inside and lyse macrophages, whereas the smaller sporangiospores do not. Phylogenetic analysis supports that at least three extant subspecies populate the M.

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Mating in fungi is a complex process governed by mating types. Research on fungal mating has focused on several model species with different behaviour. Homothallic species are able to mate with themselves, while in heterothallic species only isolates of opposite mating types can mate.

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In microbiology, a haploid cell is the result of a diploid cell replicating and dividing twice meiosis. Each daughter cell is haploid. They have half the number of chromosomes as their parent cells. Haploid means "half.


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