What Term Describes Protists That May Be Either Free-Living Or Get Nutrients From Host Organisms?

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Eukaryotic means the cells have a defined nucleus enclosed within a membrane. Most protists are unicellular meaning the entire organism is composed of a single cell. … For example many plant-like protists are autotrophic meaning they create their own energy through the process of photosynthesis just like plants do.

What best describes the kingdom Protista?

Characteristics of Protists

They are mostly unicellular but some like algae are multicellular. Kelp or ‘seaweed ’ is a large multicellular protist that provides food shelter and oxygen for numerous underwater ecosystems.

What kind of organism are grouped under Kingdom Protista?

Kingdom Protista includes all eukaryotes that are not animals plants or fungi. Kingdom Protista is very diverse. It consists of both single-celled and multicellular organisms.

How do scientists classify protists?

The protists can be classified into one of three main categories animal-like plant-like and fungus-like. … The animal-like protists are known as the protozoa the plant-like protists are the algae and the fungus-like protists are the slime molds and water molds. Marine plankton. Photograph by Dougals P.

What is a protist quizlet?

What is a protist? Any organism that is not a plant animal fungus bacterium or archaeum. They have a nucleus and other organelles.

What does the term prokaryotic mean?

prokaryote also spelled procaryote any organism that lacks a distinct nucleus and other organelles due to the absence of internal membranes. Bacteria are among the best-known prokaryotic organisms. The lack of internal membranes in prokaryotes distinguishes them from eukaryotes.

Which of the following protist contain chloroplast and are therefore autotrophic?

Algae. These protists are both single cells (algae diatoms) as well as multicellular (seaweed or kelp). These protists are called plant-like due to the autotrophic nature of these organisms. These protists possess chloroplast and synthesize their own food by the process of photosynthesis.

Who observed first Protista?

Antony van Leeuwenhoek is generally credited with being the first person to report seeing protists in about 1675. In fact Leeuwenhoek was the first to describe a number of microscopic aquatic life forms (protozoa rotifers and others) referring to them as “animalcules” (“little animals”).

Who gave the idea of classification?

In the 18th century Carl Linnaeus published a system for classifying living things which has been developed into the modern classification system.

Which of the following is a Saprophytic protists?

Hint: Sludge molds are termed as the saprophytic protists.

Why do protists live in aqueous environments?

-They live in aquatic environment because they have many advantages with water and they require it to live. -They don’t have any specialized organelle such as red blood cells so to meet their oxygen demand they can live in low concentration of oxygen. -It also absorbs the water and uses them mange their wastes.

What is protozoa short answer?

Protozoa are single celled organisms. They come in many different shapes and sizes ranging from an Amoeba which can change its shape to Paramecium with its fixed shape and complex structure. They live in a wide variety of moist habitats including fresh water marine environments and the soil.

What level of organization are protists at?

However multicellular protists do not have highly specialized tissues or organs. This simple cellular-level organization distinguishes protists from other eukaryotes such as fungi animals and plants.

Which of the following is autotrophic Protista *?

Gonyaulax (a dinoflagellate) and diatoms are autotrophic protists with cell walls. Physarum is a slime mould which is heterotrophic.

Which of the following is autotrophic protist?

Algae is an autotrophic protist.

Which unicellular microorganism is autotrophic answer?

Algae are the unicellular or multicellular autotrophic microorganism.

What are Mixotrophic protists?

Mixotrophs are organisms which combine phototrophy and heterotrophy such nutritional behaviour is widespread among protists. This ability to combine multiple modes of nutrition varies between species and is not related to their taxonomic grouping.

Parasites: Protozoa (classification structure life cycle)

Classification

Protists and Fungi

The Ocean is losing its breath – an overview of the problem its effects and solutions

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