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unicellular eukaryotes
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∙ 11y ago
Protists are typically unicellular organisms with a diverse range of characteristics and behaviors. They can be found in a variety of environments, including freshwater, marine, and terrestrial habitats. Many protists are important in the food chain as primary producers or as consumers.
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What descriptions applies to most protists?
These organisms are eukaryotes, meaning they are made up of single or multiple cells which all contain a nucleus enclosed by a membrane. The protists are a diverse group of eukaryotes that cannot be classified as animals, plants, or fungi. Organisms in the Protista kingdom include amoebae, red algae, dinoflagellates, diatoms, euglena and slime molds.
What are the characteristics that the Protozoa shares with most protists?
They are Unicellular.
How are unicellular protists and multicellular protists similar?
Most fungi consist of cells that are relatively unspecialized. Like unicellular protists, the cells of a fungus resemble each other and obtain their own nutrients directly from the environment.
Where would you most likely find fungus like protists?
You would most likely find fungus-like protists in damp environments such as soil, decaying matter, and on the surfaces of plants. These protists thrive in moist conditions where they can obtain nutrients and reproduce.
Are protists parasites?
Some protists can be parasites, meaning they derive nutrients and shelter from a host organism, which can cause harm or be detrimental to the host's health. Examples of parasitic protists include Plasmodium, which causes malaria, and Giardia, which causes gastrointestinal illness.
Are protists animals?
No, protists are not animals. They are a diverse group of eukaryotic microorganisms that do not fit into the plant, animal, or fungi kingdoms. Instead, they are classified into their own kingdom called Protista.
Are protists unicelluar?
Most protists are unicellular. Protists such as algae and slime molds can be either multicellular or unicellular.
Are protists mostly multicellular?
No, most protists are unicellular organisms. Some protists can form colonies or be multicellular, but the majority are single-celled.
What is a protists made of?
Protists are made up of very large, diverse group of organisms, including the plant-like protists (algae), fungi-like protists, and the animal-like protists (protozoans). They are all eukaryotic, and most are unicellular.
What microorganisms kill people?
Microorganisms that can cause fatal infections in humans include bacteria like Clostridium tetani (causing tetanus) and Yersinia pestis (causing plague), viruses like Ebola virus (causing Ebola hemorrhagic fever), fungi like Cryptococcus neoformans (causing cryptococcal meningitis), and parasites like Plasmodium falciparum (causing severe malaria). Prompt medical treatment is crucial to prevent these infections from being lethal.
Are protists helpful or harmful?
Protists can be both helpful and harmful. Some protists are beneficial as they play key roles in ecosystems, such as being primary producers in marine environments. However, some protists can also be harmful pathogens that cause diseases in humans, animals, and plants.
What descriptions applies to most protists?
These organisms are eukaryotes, meaning they are made up of single or multiple cells which all contain a nucleus enclosed by a membrane. The protists are a diverse group of eukaryotes that cannot be classified as animals, plants, or fungi. Organisms in the Protista kingdom include amoebae, red algae, dinoflagellates, diatoms, euglena and slime molds.
Do protoctists have a nucleus?
Yes, most protists have a nucleus. Protists are eukaryotic organisms, meaning they have a defined nucleus that contains their genetic material. However, there are some protists that lack a true nucleus and are considered primitive.
Where can you most commonly find protists?
in marine habitat
What do most amoebas eat?
bacteria and small protists
Are most adult protists diploid or haploid?
Most adult protists are diploid, meaning they have two sets of chromosomes. This is in contrast to some lower life forms, such as algae, which can have a haploid dominant life cycle stage.
What are the characteristics that the Protozoa shares with most protists?
They are Unicellular.
