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Protozoa

Protozoans are unicellular organisms found in many different habitats. They are eukaryotic and can be predators, herbivores or parasites, depending upon the species. The well-known disease malaria is caused by a protozoa.

1,445 Questions

What color is a dead volvox?

Unlike most cells which are usually very clear and dont really have a color, volvox is a green shade; since, it is in the "green algae" group of the "protists".

What is a volvox's predator?

No one can be predator of Volvox as it is alga.Animals which eat algae or plants are called grazers.

How are paramecium different than most other protozoans?

Paramecium have cilia for movement and feeding which sets them apart from other protozoans. They also typically have complex, differentiated cell structures compared to many other protozoans. Additionally, paramecium are unique in their ability to reproduce both sexually and asexually.

Is paramecium a holozoic organism?

Yes, paramecium is a holozoic organism because it ingests whole food particles through its oral groove by phagocytosis for nutrition.

Which term best describes the symbiotic relationship of well-fed P bursaria to their zoochlorellae?

Mutuallistic describes the relationship between a well fed P.bursaria and zoochlorellae.

Plasmodium effects the mosquito or not?

Yes, Plasmodium does affect mosquitoes. It infects and multiplies within the mosquito's gut before moving to its salivary glands, where it can be transmitted to humans when the mosquito bites.

Why is volvox considered a protist rather than a metazoan animal?

Volvox is considered a protist because it is a colony of individual cells working together as a single organism. Each cell within the colony retains its own identity and functions, unlike in metazoan animals where cells are specialized and cannot survive independently. Additionally, Volvox lacks the complex tissue organization and body plan characteristic of metazoans.

When a pond dries up from drought how do the amoebas protect themselves?

Amoebas can form a protective cyst around themselves when faced with unfavorable conditions like drying up of their habitat due to drought. This cyst helps them survive in a dormant state until more favorable conditions return, at which point they can emerge and resume their normal activities.

Is paramecium unicellular?

Yes, paramecium is a unicellular organism. It is a type of protozoa that falls under the group of single-celled eukaryotes and is commonly found in freshwater environments.

Is a Euglena a Salt Water Dweller?

yes it is because that means it dwells n salt water and it does

Are paramecium asexual reproduction?

Yes, paramecium primarily reproduce asexually through binary fission, where the cell divides into two identical daughter cells. They can also exchange genetic material through a process called conjugation, but this is not a reproductive method.

Are paramecium autogroph?

No, paramecium are not autotrophs. They are heterotrophic organisms, meaning they obtain their nutrients by ingesting organic matter such as bacteria and algae. Autotrophs, on the other hand, are organisms that can produce their own food through processes like photosynthesis.

Are radiolarians protozoans?

Yes, radiolarians are protozoans. They are single-celled organisms belonging to the phylum Actinopoda and are known for their intricate mineral skeletons made of silica.

Is amoeba a prokaryote or eukaryote cell and why?

Amoebas are a genus of the Protozoa. They are unicellular, eukaryotic microorganisms, which have one or more nuclei and a contractile vacuole for the purpose of maintaining osmotic equilibrium. They obtain food through phagocytosis, making them heterotrophs. The defining characteristic that makes them eukaryotic, is their membrane-bounded nuclei, which houses they deoxyribonucleic acid.

What are medical uses of volvox?

Volvox organisms are not typically used for medical purposes. They are more commonly studied for their role in biology, as model organisms for understanding complex biological processes such as group behavior and evolution.

Is it true if the people in a town contracted amoebic dysentery or infections by animals like protist entamoeba the most likely caused would be contaminated drinking water?

Yes, contaminated drinking water is a common cause of amoebic dysentery and infections from protists like Entamoeba. These organisms are often present in water sources contaminated with fecal matter, and if ingested, can cause illness in humans. Proper water treatment and sanitation measures are crucial for preventing such infections.

What does the Food Vacuole do in the Amoeba Cell?

The food vacuole is formed by the outer membrane of the amoeba after phagocytosis, digestive enzymes then enter the food vacuole which digest the food that was recently taken in by pseudopods.

What two structures contain DNA in a paramecium?

In a paramecium, the DNA is contained within the nucleus, which serves as the main storage site for genetic information. Additionally, paramecia also have DNA within their micronucleus, which is involved in sexual reproduction and genetic exchange.

Do volvoxs have cilia or a flagella?

These are a type of green algae. They are similar to other plants and they have a nuclear membrane around their nucleus.

Can Amoeba make it own food?

No, amoebas cannot make their own food through photosynthesis like plants can. Instead, they obtain nutrients by engulfing and absorbing small particles and organic matter from their environment through a process called phagocytosis.

Protozoan diseases causes in plants?

Protozoan diseases in plants are relatively rare. One example is Plasmodiophora brassicae, which causes clubroot disease in cruciferous vegetables like cabbage and broccoli. Another example is Phytophthora infestans, a water mold that causes late blight in potatoes and tomatoes.

Can you constipation because of amoeba?

Yes, amoebic infections can cause symptoms such as diarrhea, but constipation is less common. In some cases, severe inflammation or damage to the intestines caused by amoebas may lead to constipation as a secondary symptom. It's important to consult a healthcare provider for proper diagnosis and treatment.

How osmoregulation is carried out in a named protozoan?

Osmoregulation in protozoans like Paramecium is carried out through contractile vacuoles. These organelles collect excess water and expel it from the cell to maintain osmotic balance. The contractile vacuoles help prevent the cell from bursting due to excessive water intake.

What happens as a result of insertion?

Insertion in the context of database systems refers to adding new records or data into a table. When insertion occurs, a new row is created in the table with the specified data values. This process helps to expand the dataset and allows for the storage of additional information for future retrieval and processing.