answersLogoWhite

0

Protists

Protists are unicellular or multicellular microorganisms. The majority of protists are responsible for many diseases in humans.

1,262 Questions

When an amoeba reproduces the parent cell ceases to exist?

That's false. The parent continues on with a small part of itself pinched off and developing independently as the "offspring". The "parent" amoeba can reproduce repeatedly just like most organisms.

What method of movement does the hydrodictyon algae use?

The hydrodictyon algae uses floating to move. It relies on water currents to help carry it to new locations.

What water regulation adaptations might have evolved in protists hypertonic habitats such as great salt lake. In habitats with changing salt concentration?

Protists in hypertonic habitats like the Great Salt Lake may have evolved adaptations like efficient ion pumps to regulate salt concentration within their cells. They may also possess specialized proteins or osmolytes to help maintain water balance by osmoregulation. In environments with changing salt concentrations, protists may have evolved the ability to adjust their osmoregulatory mechanisms dynamically to cope with fluctuations in their surroundings.

How do amoebas change shape?

By extending a portion of their cytoskeleton into a portion of their plasma membrane. This is called a pseudopodia and can be used as an anchor so that the amoeba can pull itself along behind these '' false feet. ''

The smallest bacterium is 0.2 micrometers across while the giant amoeba chaos chaos is 1000 micrometers across how many times larger is te giant amoeba than the smallest bacterium?

The giant amoeba is 5000 times larger than the smallest bacterium. This is calculated by dividing the size of the giant amoeba (1000 micrometers) by the size of the smallest bacterium (0.2 micrometers).

What is the main form of nutrition for diatoms?

The main form of nutrition for diatoms is photosynthesis, where they use sunlight to convert carbon dioxide and nutrients into organic matter. Diatoms are autotrophic organisms, meaning they can produce their own food using light energy.

What are the useful effects of amoeba?

Amoeba play a crucial role in the ecosystem by helping to decompose organic matter and recycle nutrients. They also serve as a food source for many organisms and help to regulate populations of other organisms in aquatic environments. Additionally, some species of amoeba are used in research to study processes such as cell movement and phagocytosis.

What is the structure of motility in amoeba?

Amoebas move using pseudopods, which are temporary extensions of their cytoplasm that help them crawl and engulf food particles. The process involves the coordinated action of microtubules and actin filaments to push and pull the cell in the desired direction. Amoebas can change the shape and position of their pseudopods quickly, allowing for rapid and flexible movement.

An algal bloom of dinoflagellates that causes fish kills is called?

A harmful algal bloom (HAB) caused by dinoflagellates that leads to fish kills is commonly referred to as a red tide. Dinoflagellates produce toxins that can affect marine life, including fish, by disrupting their nervous system and causing respiratory distress, ultimately leading to fish kills. Monitoring and managing red tides are essential to protect marine ecosystems and public health.

Network of ducts and reservoirs that allow paramecium to equalize water pressure through the cell membrane?

The contractile vacuole system functions as a network of ducts and reservoirs within a paramecium to regulate water balance and remove excess water from the cell. The system helps the paramecium maintain osmotic equilibrium by actively pumping out water that enters the cell through osmosis, preventing it from bursting due to excessive water intake. This allows the paramecium to survive in various aquatic environments with fluctuating osmotic conditions.

Are amoebas lower multicellular organism?

Amoebas are not considered multicellular organisms. They are single-celled organisms classified as protists. Multicellular organisms are made up of multiple cells that are specialized to perform specific functions, while amoebas are unicellular and can carry out all necessary functions within a single cell.

Algae can survive on the seafloor only in what?

Algae can survive on the seafloor only in shallow waters where there is enough light for photosynthesis to occur. Deeper in the ocean, there is insufficient light for algae to thrive.

In an amoeba a small cavity within the cytoplasm that stores food is called what?

The small cavity within the cytoplasm of an amoeba that stores food is called a food vacuole. This structure helps the amoeba digest and break down food particles for energy.

A heterotrophic protist with cell walls that uses spores to reproduce?

funguslike is the answer and heres some facts about it Neither plants nor animals, the fungi kingdom includes toadstools, puffballs, and MOLDS. Fungi feed on living or dead organisms by making them rot. Fungi are visible only when spore-bearing fruiting bodies form.

HOW DO FUNGI FEED?

Fungi absorb nutrients from plant or animal matter around them, which may be living or dead. They produce long, slender threads called hyphae that spread through their food. The hyphae release enzymes that break down the food into substances that the fungi can easily absorb.

HOW DO FUNGI REPRODUCE?

Most fungi reproduce by releasing tiny spores that then germinate (sprout) and grow into a new fungus. The spores are produced by, and released from, a fruiting body that is visible above the ground. Some fungi drop spores, which are blown away by the wind. Others shoot them out in an explosive burst.

ARE MUSHROOMS AND TOADSTOOLS THE SAME?

Toadstools are brightly colored and poisonous to eat, but mushrooms are usually edible and dull in color. Both toadstools and mushrooms are fruiting bodies (spore-bearing structures) produced by fungi. They belong to the same group, the Basidiomycetes, so scientists make no distinction between the two.

What is the most deadly protist called?

The most deadly protist is Plasmodium falciparum, which causes malaria in humans. It is responsible for the majority of malaria-related deaths worldwide.

Amoebas and giant kelp belong to which kingdom?

Kelp, regardless of size are Botanica (Plant life) The Amoeba is a protozoan ( First or earliest form of animals) or are classed as Protists. Kelp are definitely plants. The Giant Amoeba is a time-tested science fiction device. The real ones are nowheres near the size of those in science-fiction accounts./

The kingdom of Amoeba is Animal

and for Kelp, the kingdom is Plantae

What is the mode of reproduction in algae?

Most algae reproduce both sexually and asexually. Asexual reproduction in algae occurs through cell division, fragmentation, or spore formation. Sexual reproduction involves the fusion of gametes to form zygotes.

What is a Diagram of a paramecium?

A diagram of a paramecium typically shows its oblong or slipper-like shape with hair-like cilia covering its surface for movement and feeding. It may also display organelles such as the oral groove for feeding, contractile vacuole for water regulation, and the nucleus. This simple diagram helps visualize the basic structure of this single-celled organism.

Why amoeba has irregular shape?

Amoebas have an irregular shape because they lack a fixed cell wall or structure. Their flexible cell membrane allows them to constantly change their shape as they move and engulf food. This shape-shifting ability helps them adapt to different environments and capture prey efficiently.

What is the common name for dinoflagellates?

a dinoflagella is related to or ken to the Pyrocytis Fusiformis.

That is a glowing "algae" and produces its own biolumenescence feature.

The creature does feed is self by photosynthesis!

Why can Amoeba be described as an 'all purpose cell'?

Amoebas are considered all-purpose cells because they can perform various functions like locomotion, feeding, and reproduction using their flexible shape and pseudopods. They adapt well to different environments and can survive by engulfing food particles through phagocytosis. Additionally, amoebas exhibit simple cellular structures and lack specialized organelles, allowing them to perform many essential functions.

Is an amoeba a fungus?

No, an amoeba is not a fungus. Amoebas are unicellular organisms that belong to the group of protozoa. Fungi are a separate kingdom of organisms that include organisms such as mushrooms, yeasts, and molds.

What type of nutrition is found in amoeba?

Amoebas obtain nutrition through phagocytosis, where they engulf and digest food particles such as bacteria, algae, and organic debris. They absorb nutrients across their cell membrane after breaking down the ingested material. Amoebas are capable of obtaining nutrients in a variety of environments due to their versatile feeding strategy.

What do you need to see an amoeba?

Some amoebas such as the Pelomyxa palustris are large enough to be seen with the naked eye. Most amoebas would need to be seen under a microscope with at least 400x magnification. Filters are used as white light makes the amoebas curl into a ball and become unrecognisable.