Question

Срочно 1К автотрофному типу питания способна A. инфузория-бурсария B. амебы дизентерийной C. эвглены зеленой D. лямблия 2 Какие из перечисленных Простейших являются паразитами? A. амеба обыкновенная B. эвглена зеленая C. вольвокс D. лямблия

Answer 1

1. C
2. D
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Answer 2

Autotrophic Nutrition in Protists

Autotrophic nutrition is a type of nutrition in which organisms synthesize their own organic molecules using inorganic substances as a source of energy. Protists are a diverse group of eukaryotic microorganisms that can exhibit various modes of nutrition, including autotrophic nutrition.

Autotrophic Protists Capable of Autotrophic Nutrition

A. Infusoria-bursaria: Infusoria-bursaria is a type of ciliate protist that is capable of autotrophic nutrition. It contains symbiotic green algae called Zoochlorella, which provide the protist with organic molecules through photosynthesis [[1]].

B. Amoeba dysentery: Amoeba dysentery, also known as Entamoeba histolytica, is not capable of autotrophic nutrition. It is a parasitic protist that causes amoebic dysentery in humans and obtains its nutrients by feeding on host tissues [[2]].

C. Euglena viridis: Euglena viridis is a green flagellate protist that is capable of autotrophic nutrition. It contains chloroplasts and can perform photosynthesis to synthesize organic molecules [[3]].

D. Giardia lamblia: Giardia lamblia, also known as Giardia intestinalis, is not capable of autotrophic nutrition. It is a parasitic protist that causes giardiasis in humans and obtains its nutrients by absorbing them from the host's intestines [[4]].

Parasitic Protists

A. Amoeba proteus: Amoeba proteus, also known as the common amoeba, is not a parasitic protist. It is a free-living amoeba that obtains its nutrients by engulfing and digesting bacteria and other small organisms [[5]].

B. Euglena viridis: As mentioned earlier, Euglena viridis is not a parasitic protist. It is capable of autotrophic nutrition through photosynthesis [[3]].

C. Volvox: Volvox is a colonial green algae that is not a parasitic protist. It consists of numerous individual cells that work together to perform photosynthesis and obtain nutrients [[6]].

D. Giardia lamblia: As mentioned earlier, Giardia lamblia is a parasitic protist that causes giardiasis in humans [[4]].

In summary, the autotrophic protists capable of autotrophic nutrition are Infusoria-bursaria and Euglena viridis. The parasitic protists mentioned are Amoeba dysentery (Entamoeba histolytica) and Giardia lamblia. Amoeba proteus and Volvox are not parasitic protists and can perform autotrophic nutrition.

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