Which Of The Following Describes A Way That Protists Differ From Animals And Plants?
Protists are a diverse group of eukaryotic organisms belonging to Kingdom Protista. At that place are few similarities between individual members of this Kingdom, every bit it includes all the eukaryotes that are not animals, plants, or fungi.
Well-nigh protists are microscopic and unicellular, though a few species are multicellular. Typically, protists reproduce asexually, though some are capable of sexual reproduction. Some protists are heterotrophs, and feed on other microscopic organisms and carbon-rich materials they find in their surrounding environment; others are photosynthetic and make their own nutrient using chloroplasts.
Classification of Protists
Protists are always eukaryotic, and all protists contain a nucleus and other membrane-bound organelles. They are typically unicellular organisms, though a few are multicellular. Protists alive in aquatic environments and may be found in freshwater, saltwater, or damp soil habitats.
Besides these features, the members of Kingdom Protista have lilliputian in common with one another. Protists come in a broad variety of different forms and may be classified equally animal-like, plant-like, or fungus-like, depending on their characteristics.
Animal-similar Protists
Animal-like protists are called protozoa (meaning 'get-go animal'). All protozoans are unicellular and heterotrophic, meaning they seek out food in their surrounding environments. Some animal-similar protists prey on other, smaller microorganisms, which they engulf and digest in a process known equally phagocytosis. Others may feed on not-living, organic matter. Many protozoa accept a mouthlike structure through which they can ingest nutrient particles, while some absorb nutrients through their prison cell membrane.
Protozoa typically have digestive vacuoles merely, unlike other types of protists, they don't incorporate chloroplasts. Animal-like protists as well lack a cell wall.
Examples of Animal-like Protists
There are iv chief types of creature-like protists; these are the amoeba, the flagellates, the ciliates, and the sporozoans.
Amoeboid Protozoans
Amoeba are characterized by the presence of pseudopodia, or 'faux anxiety,' which they utilize to catch bacteria and smaller protists.
Flagellated Protozoans
Flagellates have flagella, whip, or tail-like structures which they use to propel themselves through water. Some flagellates are parasitic, while others are free-living.
Ciliated Protozoans
Ciliates are covered in cilia, tiny hair-like structures which they use to motion effectually and waft food into their mouths.
Sporozoans
Sporozoans are parasitic organisms. One famous example is Plasmodium, the parasite known to cause malaria.
Mucus-like Protists
Fungus-like protists are known as molds. Like true fungi, they are heterotrophic feeders and blot nutrients from decomposable organic thing in their surround. They also reproduce using spores. However, they differ from true fungi in that their cell walls contain cellulose, rather than chitin.
Examples of Mucus-like Protists
The two major types of fungi-like protists are slime molds and water molds.
Slime Molds
Slime molds are often found on rotting logs, where they feed on decomposable organic matter. These molds are ofttimes unicellular but, when food is scarce, can swarm together to grade a slimy mass. These brightly colored blobs can move very slowly in their search for food and, in some cases, tin can fuse to form ane enormous, multinucleated cell.
Water Molds
H2o molds normally live on the surface of h2o, or in damp soil and, like slime molds, feed on decaying organic matter. This group contains several plant pathogens, including the devastating white potato affliction known every bit potato blight.
Plant-like Protists
Constitute-similar protists (AKA algae ) are usually photosynthetic organisms, and most comprise chloroplasts and/or chlorophyll. Algal cells normally have a cell wall which, like the cell walls of true plants, contain cellulose. However, unlike true plants, algae lack leaves, stems, and roots. Plant-like protists may reproduce asexually or sexually.
Most algal species are unicellular, though some course large, multicellular structures (for example, seaweeds ). Plant-similar protists live in aquatic environments and most species are found in oceans, lakes, and ponds.
Examples of Plant-like Protists
The seven major groups of algae are ruby-red algae, green algae, brown algae, fire algae, golden-brown algae, yellow-green algae, and euglenids.
Carmine Algae
Ruby-red algae are typically found in tropical marine environments where they often abound on flat surfaces, such as reefs. Though red algae may be unicellular, they are typically multicellular organisms and form a variety of seaweeds.
Green Algae
Greenish algae are the well-nigh abundant grouping of algae. They comprise chloroplasts and cell walls and are thought to be the evolutionary ancestors of land plants. Green algae may be unicellular or multicellular.
Brown Algae
Brown algae are typically found in marine environments. They are multicellular organisms and form a variety of plant-like species. The largest known example of brown algae is the giant kelp, which ofttimes grows to over 30m in length.
Fire Algae
Fire algae include a grouping of unicellular organisms called the dinoflagellates. Some dinoflagellates are bioluminescent and tin can lite upwardly the surface of the bounding main with an eerie, night-fourth dimension glow. When nowadays in big numbers, dinoflagellates can as well cause a phenomenon known every bit 'red tide.'
Golden-brown Algae and Diatoms
Gilded-brown algae can exist constitute in both marine and freshwater environments. This group includes the diatoms, photosynthetic organisms with transparent prison cell walls fabricated of silica. Many species of marine plankton are diatoms.
Yellow-green Algae
Yellow-green algae are photosynthetic organisms that live predominantly in freshwater environments. Many have a cell wall that does not contain cellulose (as in plants and algae) or chitin (similar fungi and molds). The cell wall composition of yellow-green algae is most completely unknown.
Euglenids
Euglena are photosynthetic algae that are found in a diverseness of aquatic habitats. Euglenids typically take i or more flagella but lack a cell wall, and are instead encased past a protein-rich construction called a pellicle.
Cite This Article
MLA APA Chicago
Biologydictionary.internet Editors. "Creature-similar, Fungus-like, and Plant-like Protists." Biology Dictionary, Biologydictionary.net, 01 Mar. 2021, https://biologydictionary.net/animal-similar-mucus-like-and-plant-like-protists/.
Biologydictionary.net Editors. (2021, March 01). Animal-like, Fungus-similar, and Plant-like Protists. Retrieved from https://biologydictionary.cyberspace/animal-similar-mucus-like-and-plant-similar-protists/
Biologydictionary.internet Editors. "Animal-like, Fungus-like, and Found-like Protists." Biology Lexicon. Biologydictionary.net, March 01, 2021. https://biologydictionary.cyberspace/fauna-like-mucus-like-and-constitute-like-protists/.
Subscribe to Our Newsletter
Source: https://biologydictionary.net/animal-like-fungus-like-and-plant-like-protists/
Posted by: limonfordispreme.blogspot.com
0 Response to "Which Of The Following Describes A Way That Protists Differ From Animals And Plants?"
Post a Comment