Can protists parasitize plants?
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Sure they can!  \n\nYou wouldn't believe how many tiny critters live on (and in) all of the living things that we can see...\n\nFor example; In, and on, your body there are TRILLIONS of little guys that call you home. The same is basically true for all living things (plants included), and some of these guys are clearly parasitic, though luckily, most are helpful, and many are even necessary for our survival. That's right; we need them, but they don't need us!\n\nMy favorite "Wow" tidbit I give my students: There are more cells of OTHER critters within (and on) you than there are cells OF you... by a factor of 10!
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viruses, bacteria, fungi, or protozoan parasites
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Just going with what Jag said, there doesn't seem to be any correct answer.\n\nAnimalia are never photosynthetic.\n\nEubacteria are never eukaryotes.\n\nFungi are never photosynthetic.\n\nPlantae are never single celled.\n\nNone of the answer is correct. In point of fact most single-celled eukaryotes that are either heterotrophic or photosynthetic belong to the kingdom Protista. But Protista isn't one of the options given.\n\nI think your teacher stuffed up the question.
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From an ecological-evolutionary viewpoint, a parasite is a "perfected predator", a predator that has evolved to extract resources from its host without killing it (and for some ecologists, grazing herbivores such as cows and gazelles are also parasites). \nParasites are usually much smaller than their hosts, and their particular characteristics depend on the type of parasite they are. For instance, endoparasites are much more modified and many have lost sensory or even digestive systems in favor of developing larger reproductive organs and producing lots of descendants. Ectoparasites are usually less modified with respect to their free-living relatives, but have structures and behaviors related to finding the host and remaining attached to it. \nObligate parasites are also more specialized than facultative (optional) parasites, and some species are specific parasites of a single host, while others are capable of parasitizing several species. All these different strategies involve diverse modifications, acquisitions and adaptations.\nEventually, parasites may become symbionts, by becoming gradually less damaging to their hosts and more specifically related with them.\nSee the first link for evolution of parasitism:
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Question 1:\n5 Kingdoms- Monera, Protista, Fungi, Plantae, Animalia\nMonera:  are single-celled organisms with no organelles or cell nucleus. Often have cell wall in addition to cell membrane.  (includes all forms of bacteria)\nProtista: single-celled, have organelles and nucleus.  Include yeast.\nFungi: Multicellular, have organelles and nucleus, some go through photosynthesis and produce their own food, while others don't.  (includes mushrooms, bread mold, moss)\nPlantae:  Multicellular, organelles present, nucleated, undergo photosynthesis/so they have chloroplasts (includes all plants)\nAnimalia: multicellular, organelles, nucleated, cannot produce their own food, do not undergo photosynthesis.(animals)\n\nQuestion 2.  SOme say there are 6 kingdoms because Kingdom Monera is divided into Eubacteria and Archaebacteria.  Archaebacteria were the first organisms on the planet, and live under harsh conditions (volcanic hot spots underwater, etc).  Eubacteria are different in structure and are present in friendlier conditions (your bathroom floor, toilet, your intestines, etc)\nScientists do this to separate the two different types of bacteria...although most modern books have them all under Monerans
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The major difference is that protist are single celled eucaryotic (have membrane bound organelles) whereas Monera are procaryotic (lack membrane bound organelles).
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Plants are believed to have evolved from green algae, as they are both photosynthetic possessing the same pigments for photosynthesis.  Fungi are actually quite dissimilar from plants as they are not photosynthetic, some are parasites and all are chemotrophic.  They also use chitin in their cell walls as opposed to cellulose.  Fungi also store energy in the form of glycogen not starch, as plants do.
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No. In fact not every one of them. The cells which make up the roots of the plants do not because they are not designed for the process of photosynthesis.
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Moneran - Includes bacteria, blue green algae, and primative pathogens.  Considered the most primative kingdom, it represents prokaryotic life forms - they have no distinct nuclei\n\nProtista - simples eukaryotes.  Include protozoa, unicellular and multicellular algae, and slime mold.  Ancestor organisms to plants, animals, fungi; most can move around by means to flagella\n\nFungi - includes mushroom, bread molds, and yeasts.  Fungi lack the ability to photosynthesize, so they are called decomposers, breaking down and feeding on dead protoplasm.\n\nPlantae - have the ability to photosynthesize, so they are called producers.  They are two major phyla, Bryophyta, or mosses and Tracheophyta - which have vascular systems and include most of the plants you know.\n\nAnimalia - produce energy by consumering other organisms, so they are called consumers.  Can be either vertebrates, phylum Chordata, or invertebrates such as mollusks, arthopods, sponges, coelenterates, worms, etc.
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No. I believe plants require a carbon dioxide gas in an atmosphere to be able to perform photosynthesis so in a vacuum a plant would die.
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hes wrong (above. Prokaryotes do have organelles. THey do not have membrane bound organelles. Take for example the central vacuole of a plant. It has a membrane surrounding it, so it is not a prokaryote. Prokaryotes have ribosomes which synthesize proteins and nucleic acids to form a polypeptide chain. THey have a mitochondria for ATP etc..
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The protist needs to maintain homeostasis, the balance in the body, in order to live. Diffusion and Osmosis acheive this by allowing nutrientrs to come in and wastes to leave.
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It is theoretically possible, although unlikely. If the organism (protozoa) can live exposed to the air for very long it is possible. It would most likely have to be immediate transfer; within a few seconds.
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parasitic ocean creatures?
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There are indeed parasites that can invade the brain, there is another one called the loa loa worm that is called the eye worm. I have a book with a picture of a work being pulled right out of this guys eye. Anyway is will blind you. And for the parasites in the brain, if someone did get this it is fatal. The good news is you have to go to some really third world countries to get these things.
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It depends on the specific protozoa; if for example both the mealworm and the protozoa benefit from the relationship (the protozoa has a nice place to live and feed and the mealworm benefits from the protozoa breaking down other organic matter in the mealworms digestive system) it would be a mutualistic symbiotic relationship.  If, however, the protozoa is using the mealworm as a host carrier in its life cycle as a staging area to propagate itself, lay eggs, or feed on until it is deposited somewhere and it negatively affects the health of the mealworm, it is a parasitic relationship (the protozoa being the parasite).
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hookworms and liver flukes are parasites. Leeches might be considered parasites as well, but I'm not sure, the others I am sure of. I think the jellyfish and corals mostly eat zooplankton, that is fish ova and other tiny marine organisms. Sorry I can't help you more.\n\n16 NOV 06, 0339 hrs, GMT.