Visual taxonomy was a powerful tool, but really struggled with micro organisms. These are pathogens and spread through a female Anopheles mosquito. This body, called a plasmodium, can move around consuming bacteria, fungi, and decaying plant matter. Protists were traditionally placed into one of several groups based on similarities to a plant, animal, or fungus: the animal-like protozoa , the plant-like protophyta (mostly algae), and the fungus-like slime molds and water molds . The Kingdom Protista consists of eukaryotic protists. About 500 species have been d Most slime molds will exist as single-celled organisms when food is plentiful. Slime molds fall into two distinct groups that are not closely related: the cellular slime molds and the true, or acellular, slime molds. Slime molds were formerly classified as fungi but are no longer considered part of that kingdom. Luckily, DNA sequencing arrived and gave taxonomists a powerful way to deal with microbes. It refers to a group of organisms that are infectious and can cause Malaria. 1. protozoans 2. algae 3. slime molds 4. water molds 5. black bread mold Here we have grouped algae with protozoa and slime molds in Protista because mthe majority of algae are unicellular, and even the multicellular algae are structurally simple compared to true plants. Slime molds are composed of an acellular mass of naked protoplasm with no cell walls in its vegetative state. A distinguishing morphological difference between the two groups is the vegetative state of cellular slime molds in a haploid amebiod cell, whereas the vegetative state of acellular slime molds is a multinucleate diploid ameboid mass called a plasmodium. Introduction to the "Slime Molds" Long classified together in the Myxomycophyta as part of the Fungi, slime "molds" are now known to be quite unrelated to the fungi.There are three main groups of slime molds, which do not form a clade. They have a cell wall composed of cellulose, unlike fungi. In a hike through the woods, you might encounter a brightly colored, fungus-like structure spreading over the surface of a decaying tree trunk; most likely, you are observing a slime mold. The kingdom Protista is comprised of organisms that do not fit in any of the other kingdoms. Amoebozoa is a major taxonomic group containing about 2,400 described species of amoeboid protists, often possessing blunt, fingerlike, lobose pseudopods and tubular mitochondrial cristae. These slime molds can exist as cells that appear similar to amoeba, and which are able to move to find food. Kingdom Fungi. Slime molds look like members of Kingdom Protista during the slime molds feeding stage and look like members of Kingdom Fungi during the slime molds reproduction stage. paramecia and slime molds are examples of protists algae amoebas euglena paramecia and slime molds are examples of protists kingdoms of life protista all living ... evolved on earth about 15 billion 6 why do most biologists the protista kingdom includes a very diverse group of organisms some have characteristics of animals protozoa These are members of the Amoebozoa, the protist kingdom … Slime molds fall into two distinct groups that are not closely related: the cellular slime molds and the true, or acellular, slime molds. A distinguishing morphological difference between the two groups is the vegetative state of cellular slime molds in a haploid amebiod cell, whereas the vegetative state of acellular slime molds is a multinucleate diploid ameboid mass called a plasmodium. This taxonomic grouping is polyphyletic and based only on cellular structure and life styles not on any molecular evidence. Members of this very diverse kingdom are typically unicelluar and less complex in structure than other eukaryotes.In a superficial sense, these organisms are often described based on their similarities to the other groups of eukaryotes: animals, plants, and fungi. Because they resemble a protozoan in their feeding stage, and a fungus in their reproductive stage. c) Kingdom Protista includes eukaryotic oraganism that do not clearly belong in the other three kingdoms d) the kingdom protista is polyphyletic e) all of the above Protista Classification The kingdom Protista (in the five kingdom system) contains mostly unicellular eukaryotes. In most classification schemes, Amoebozoa is ranked as a phylum within either the kingdom Protista or the kingdom Protozoa. Kingdom Fungi....most likely a yeast Why do slime molds appear in kingdom Protista in some biology books Created by: tamarackchristian Systematists today do not treat Protista as a formal taxon, but the term "protist" is still commonly used for convenience in two ways. Biology Module 4 (Study Guide Questions) 21 … They resemble members of kingdom Protista during their feeding stage and members of kingdom Fungi during their reproductive stage. We now know the slime molds are more closely related to amoeboid protists. Slime molds belong to the Kingdom Protista. Thus, they can belong to either kingdom. Myxomycetes, phylum of funguslike organisms within the kingdom Protista, commonly known as true slime molds. Slime molds used to be classified with the fungi, due to their heterotrophic feeding habits and appearance; we know these similarities likely arose independently in this group and hence the similarities between fungi and slime molds are an example of convergent evolution. Distributed worldwide, they usually occur in decaying plant material. General Characteristics Protists are very diverse and have few traits in common Most are single-celled organisms, but some are many cells, and others live in colonies Some produce own food, others eat other organisms or decaying matter Some can control own movement, others cannot Why do slime molds appear in kingdom Protista in some biology books? Most protists are microscopic and single-celled, ... Fungus like protists i.e slime molds and water molds. Slime molds belong to the Kingdom Protista, and they are also called fungus-like protista. The water molds resemble other fungi because they have branched filaments and form spores. The first group is known as the plasmodial slime molds, or Myxomycetes. How are water molds similar to fungi? The term slime mold embraces a heterogeneous assemblage of organisms whose juxtaposition reflects a historical confusion between superficial resemblances and actual Kingdom protista 1. Plasmodium of malaria is a protozoan. Kingdom Protista 2. 6. Which of the following do NOT belong to the kingdom Protista? Slime molds were once placed in the kingdom Fungi, although some authorities now place them in the kingdom Protoctista (Protista).Most fungi are composed of threadlike filaments of eukaryotic cells called hyphae, collectively referred to as a mycelium. In some species, individual single-celled organisms come together and fuse to form a giant cell with thousands of nuclei. Why do slime molds appear in Kingdom Protista sometimes ? Water molds belong to the group known as oomycetes. Slime molds are notable for their unusual life cycle. They are similar to fungi as they produce sporangia. Slime molds live on decaying plants, organic matter, and microorganisms. Physarum polycephalum, an acellular slime mold or myxomycete, is a protist with diverse cellular forms and broad geographic distribution. Thanks for your help! Kingdom Protista describes eukaryotic organisms that are not fungi, plants, or animals but that have similar characteristics to some or all of those kingdoms. The “acellular” moniker derives from the plasmodial stage of the life cycle: the plasmodium is a bright yellow macroscopic multinucleate coenocyte shaped in a network of interlaced tubes. Slime molds appear in kingdom Protista in some biology books because their classification is in some dispute. Slime mold or slime mould is an informal name given to several kinds of unrelated eukaryotic organisms that can live freely as single cells, but can aggregate together to form multicellular reproductive structures. 10 points Best Answer, please try to keep it pretty short and simple i don't want you copy and pasting something too long to read. The Slime molds swim and merge together to form a multinucleated cell. The term protista was first used by Ernst Haeckel in 1866. They exhibit characteristics of both protozoans (one-celled microorganisms) and fungi. a) They appear to be more closely related to unicellular eukaryotes b) they lack important characteristics of the fungi and plants. Slime mold, any of about 500 species of primitive organisms containing true nuclei and resembling both protozoan protists and fungi. Therefore, organisms in kingdom Protista do not share the amount of … What are some characteristics that place slime molds in Kingdom Protista? 2. Why do most biologists currently working on eukaryotic relationships consider Kingdom Protista obsolete? In the beginning of the last decade, the kingdom "Protista" was the group in which protozoa, water and slime molds (myxomycetes) and algae were contained. Within the classification of algae, individual species are divided into five groups, based on characteristics such as type of chlorophyll molecule used in photosynthesis and type of reproductive cycle. We also introduced the slime molds.. The slime mold is a fungal protist, though it appears different in form from amoeba and Euglena. ... (cellular slime moulds plus other amoebas), of the kingdom Protoctista.
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