Protists! What is a Protist? Protists are organisms that are classified int

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Protists! What is a Protist? Protists are organisms that are classified int

DePauw University, US has reference to this Academic Journal, Protists! What is a Protist? Protists are organisms that are classified into the kingdom Protista.ÿ The protists form a group of organisms that really do not fit into any other kingdom.ÿ All protists are eukaryotic.ÿ That is, all protists have cells alongside nuclei.ÿ In addition, all protists live in moist environments. Protists can be unicellular or multicellular.ÿ Protists can be microscopic or can be over 100 meters (300 feet) long.ÿ Some protists are heterotrophs, while others are autotrophs.

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Since protists vary so much, we will group them into three subcategories: animal-like protists, fungus-like protists, in addition to plant-like protists. Animal Like Protists Protists that are classified as animal-like are called protozoans in addition to share some common traits alongside animals.ÿ All animal-like protists are heterotrophs.ÿ Likewise, all animal-like protists are able so that move in their environment.ÿUnlike, animals, however, animal-like protists are all unicellular. Animal-like protists are divided into four basic groups based on how they move in addition to live. PROTISTS WITH PSEUDOPODS: These protists move by extending their bodies forward in addition to then pulling the rest of their bodies forward as well.ÿ The finger-like structures that they project forward are called pseudopods.ÿ The pseudopods are also used so that trap food.

The ameba is an example of this type of animal-like protist. PROTISTS WITH CILIA These protists move by beating tiny hair-like structures called cilia.ÿ The cilia act as tiny oars that allows the protist so that move through its watery environment.ÿ The cilia also help the protists capture food. The paramecium is an example of this type of animal-like protist.

CUDA /OpenCL ? Execution Model From Natural Language so that Electrons The ISA A program at the ISA level The Von-Neumann Model Arrays of Parallel Threads Thread Blocks: Scalable Cooperation blockIdx in addition to threadIdx Vector Addition ? Conceptual View Vector Addition ? Traditional C Code Heterogeneous Computing vecAdd Host Code CUDA Device Memory Management API functions Host-Device Data Transfer API functions Check in consideration of API Errors in Host Code Example: Vector Addition Kernel Example: Vector Addition Kernel More on Kernel Launch Kernel execution in a nutshell Compiling A CUDA Program Questions?

PROTISTS WITH FLAGELLA These protists move by beating their long whiplike structures called flagella.ÿ These protists can have one or more flagella that help them move.ÿ Many of these protists live in the bodies of other organisms. The symbiosis may be mutualistic or parasitic. Giardia: water borne illness FUNGUS LIKE PROTISTS Fungus-like protists are heterotrophs alongside cell walls.ÿ They also reproduce by forming spores.ÿ All fungus-like protists are able so that move at some point in their lives.ÿ There are essentially three types of fungus-like protists:ÿ water molds, downy mildews, in addition to slime molds.

Water molds in addition to Downy mildew Live in water or moist environments Look like tiny threads alongside a fuzzy covering Attack food such as potatoes, cabbage, in addition to corn in addition to can destroy whole crops SLIME MOLDS Live in moist soil in addition to on decaying plants in addition to trees Very colorful Move by forming pseudopods Feed on bacteria in addition to other microorganisms. Plant like Protists Plant-like protists are autotrophic.ÿ They can live in soil, on the bark of trees, in fresh water, in addition to in salt water.ÿ These protists are producers. They produce a lot of oxygen in addition to carbon based organic materials. These plant-like protists form the base of aquatic food chains.

These plant-like protists can be unicellular, multicellular, or live in colonies.ÿ The plant-like protists are divided into four basic groups:ÿ euglenoids, dinoflagellates, diatoms, in addition to algae. ÿ ÿ Euglenoids Autotrophs when sunny Heterotrophs when dark Unicellular Found mostly in fresh water Some have flagellum EUGLENA

Dinoflagellates Autotrophs when sunny Heterotrophs when dark Unicellular Found mostly in fresh water Some have flagellum Dinoflagellates Diatoms Unicellular Glasslike cell walls Used in toothpastes, scouring products, in addition to as filters

Green Algae Are green in color Mostly unicellular, but some form colonies, in addition to a few are multicellular Live in fresh water, salt water, in addition to a few live on land Red Algae Multicellular Commonly called sea weed Live in deep salt water Are used by humans so that help make ice cream in addition to hair conditioner Are eaten in some Asian cultures Brown Algae: ?sea weed? Multicellular Commonly called sea weed Have large leaf-like structures called blades Have air-filled sacs called air bladders Have root-like structure called holdfast Live in salt water Are used by humans so that help make pudding in addition to salad dressing

Brown Algae

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