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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

How does a paramecium eat?

A paramecium eats by using its cilia to sweep food particles into its oral groove. The food particles are then engulfed by the paramecium and enclosed in a food vacuole. Digestive enzymes are then secreted into the food vacuole to break down the food particles for absorption.

How do parameciums eat food?

Parameciums feed by sweeping food particles into their oral groove using their cilia, small hair-like structures. The food particles are then engulfed into a food vacuole, where digestion takes place. Waste materials are expelled through the cell membrane.

What is euglena's food?

All euglena have chloroplasts and can make their own food by photosynthesis. They are not completely autotrophic though, euglena can also absorb food from their environment; euglena usually live in quiet ponds or puddles.

What are the harmful effects of artropods to man?

Arthropods can transmit diseases such as malaria, dengue fever, and Lyme disease to humans through their bites. Some people may also experience allergic reactions to arthropod bites or stings, leading to symptoms ranging from mild itching to severe anaphylactic shock. Additionally, certain arthropods like bed bugs and fleas can cause skin irritations and discomfort.

What are habits of euglena?

There are many examples but one would include of how Euglena reacts to light. When the stigma senses light, it will tell the Euglena to make its food, but if the stigma senses darkness, it will ask the Euglena to hunt for food.


What are the symptoms of having an amoeba?

Causes of Amoebiasis

Amebiasis is solely due to infection of Entamoeba histolytica .

In case, if a person has consume food or drinks water that contain microorganisms.

One of the most common cause is that it spreads from infected person to other by stools or feces. This way, it is transmitted condition.

The condition can also occur due to crowded living condition.

Internal cause for amebiasis is due to spread through the blood to the liver, brain or other vital internal organs.

Symptoms of AomebiasisThe symptoms are typical. A person infected with such condition has abdominal cramps, nauseating feeling, Fatigue etc. Few of the other symptoms include anorexia (Loss of appetite) and intestinal gas/flatulence or bloating. Typical symptoms of the condition include lose or watery stools, abdominal tenderness or mild pain and indigestion.

Severe symptoms of amoebiasis include:

Entamoeba histolytica spreading to other internal organs that includes the lungs or even the brain producing quite dangerous symptoms.

In some severe cases, passage of liquid stools with streaks of blood can be seen.

The amoebae gain access into the bloodstream and can travel to the liver and can finally form abscess called as liver amoebic abscess.

It can produce profuse vomiting in severe cases.

In some sever cases; the condition might end up in IBS - irritable bowel disease

What do paramecium eat?

Paramecium primarily feed on bacteria, algae, and other microorganisms found in water. They use their cilia to sweep these food particles into their oral groove, where they are then engulfed and digested.

How does a volvox eat?

A volvox uses its flagella to draw in small particles of food and water through an opening called the cytostome. Inside the volvox, specialized cells called phagocytic cells engulf and digest the food particles. The nutrients are then shared with the other cells in the colony through a network of cytoplasmic bridges.

Can you eat a paramecium?

No you can't eat a paramecium because it is a oragin

Actually, you can but you'd just get sick really sick.

Where do euglenas live?

Euglenas are freshwater organisms that can be found in various aquatic habitats such as ponds, lakes, and rivers. They are known for their ability to thrive in both freshwater and brackish environments. Euglenas are commonly found in areas with organic matter where they can use sunlight to photosynthesize and obtain nutrients.

How are protozoans classified?

Protozoans are classified by the way they move. Some have Cilia or Flagella, but the amoeba has an unusual way of moving by stretching it's cytoplasm into finger-like extensions called pseudopodia. The ameba use its cytoplasm to move and eat another cell

How does a euglena reproduce?

Euglenas reproduce asexually by fission, and there has been no existence of sexual reproduction. Reproduction includes transverse division and longitudinal division, which both occur in the active and encysted forms. Acidity and alkalinity have been known to affect reproduction and life spans of Eugienozoans. Life spans also greatly differ between each group of Euglenozoans.

How big do amoeba grow?

Although amoebas are famous for being quite small they are actually on the large side for single-celled organisms. Many amoebas can be seen with the naked eye, and can grow up to about a millimetre in length. The most famous species of amoeba, Amoeba proteus, is around 700-800 micrometres in length, or 0.7-0.8mm.

How does a euglena breath?

Euglena breathes through a process called diffusion, where oxygen enters the cell and carbon dioxide leaves the cell through the cell membrane. Euglena does not have specialized respiratory structures like lungs or gills, so it relies on simple diffusion for gas exchange.

How do Euglena reproduce?

Euglena reproduce asexually through a process called binary fission, in which the organism divides into two identical daughter cells. In certain conditions, they can also reproduce sexually through a process called conjugation, where genetic material is exchanged between individuals.

How doe Paramecium capture and release energy?

It swims around and fly's in the ocean with it's family till it is grown up

How do euglena get rid of waste?

Euglena get rid of waste through a process called exocytosis. They store waste in specialized compartments within their cell called vacuoles, and then release the waste outside the cell when the vacuoles fuse with the cell membrane.

What are the Types of locomotion?

The types of locomotion include walking, running, hopping, jumping, crawling, swimming, flying, and climbing. These actions involve different body movements and adaptations suited for each type of environment.

How does a dog get a protozoan infection?

Dogs can get a protozoan infection through exposure to contaminated water, food, or soil, and from ingesting infected prey or feces. Some common protozoan infections in dogs are giardiasis and coccidiosis. Preventive measures include good hygiene practices, regular deworming, and avoiding contact with infected animals.

What do amoeba do?

An amoeba is a shapeless blob of ''jelly'' that engulfs random objects on its way to know where in particular. Amoeba move by using their pseudopodium which is a "false leg." Amoeba can be harmful or helpful to man-kind and other living things. Amoebas are composed of just one cell. They are protozoans with no fixed shape. Most have no hard parts and look like blobs of jelly. However, some amoebas do build shells. Amoebas move by making part of its body move in the direction it wants to travel. Then slowly the rest of the cell follows. In order to eat an Amoeba flows around other microorganisms and then engulfs them. To reproduce the Amoeba splits itself into two cells.

Can Elodea cells live on their own?

No, Elodea cells cannot live on their own because they are a part of a larger organism. Elodea is a type of aquatic plant that consists of multiple cells working together to support the plant's growth and function. Individual Elodea cells cannot survive independently.

What is color of Paramecium?

Paramecium is typically colorless or translucent because it lacks pigmentation. Its color can appear slightly gray or greenish due to the food vacuoles containing algae or other microorganisms that it consumes.

Is Golgi appartus present in paramecium?

A paramecium is a single-celled organism, with its own set of organelles. It lacks most of the organelles most cells in humans and other multicellular creatures, including the golgi body.

Describe locomotion of paranema?

Peranema Patterson and Larsen, 1991

Paranema is a colorless phagotrophic euglenid, which does not readily swim, but glides along the grounds. It appears to have only a single, very broad emergent flagellum. (1) Paranema (also called Pseudoparanema) is a phagotroph and can manipulate other protists and detritus into the cell by means of two ingestion rods(3) The phase contrast photograph is supported with sketching to show more details in the cell ans will be provided on demand to dsdabhade@rediffmail.com.

The locomotion in this organism is gliding as it is in Amoeba proteous on the contrary it bears flagella which is also used during glinding movements. There are various stages of contraction and extension of the body.

1.During normal locomotion, the basal part remains fairly stiff, with only the anterior portion showing much activity. the flagella is thrown in the direction where the in which the animal has to move.

2. the vacuoles inside the protoplasm follow the way in which the flagella is thrown.

3. thus, the cell shows movements of the vacuoles as the bowl passes in the alimentary canal through peristalsis. You can imagine?

4. the complete cell body then is withdrawn and pulled towards the flagella.

The distance covered through this single movement is equals to the total length of the Paranema when extended.

What is the shape of a volvox?

Volvox is a green algae the forms colonies of up to 50,00 individual organisms. Each volvox has a nucleus, chloroplasts, a contractile vacuole, an eyespot, and a pair of flagella. The large, spherical colony usually contains daughter colonies that, once fully formed, will exit the parental colony.