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Where do most protozoans live?
in water
What are protozoans that cannot move called?
Protozoans that cannot move are called sessile protozoans. These organisms are typically attached to a substrate and rely on external factors, such as water currents, to bring food to them.
What are a few harmful effects of protozoans?
There are a few harmful effects of protozoans. They can pollute water, reduce the fertility of soil, and destroy the habitats of plants and animals.
What is found in most pond water?
Algea, protozoans, and other microorganisms can be found in most pond water.
What is the main excretory products of protozoans?
The main excretory products of protozoans are primarily ammonia and other nitrogenous wastes, which are byproducts of protein metabolism. These organisms typically excrete these wastes through diffusion across their cell membranes into the surrounding water, as many protozoans live in aquatic environments. Some protozoans may also utilize specialized structures, such as contractile vacuoles, to help regulate and expel excess water and waste.
What structure in protozoans respond to osmosis?
Contractile vacuoles are the structures in protozoans that respond to osmosis by regulating water balance within the cell. They fill with excess water to prevent the cell from bursting due to osmotic pressure, and then release the water outside the cell.
Are all protozoans prokaryotic and autorophic?
No, not all protozoans are prokaryotic and autotrophic. Protozoans are eukaryotic organisms that can be autotrophic or heterotrophic. Autotrophic protozoans can photosynthesize like plants, while heterotrophic protozoans rely on organic matter for nutrition.
What is the direction of movement of the protozoans in pond water in relation to movement of the slide?
The direction of movement of protozoans in pond water is typically random and independent of the direction of movement of the slide on a microscope. Protozoans have their own locomotion mechanisms and will move based on factors like external stimuli and searching for food, rather than being influenced by the movement of the slide.
Why are protozoans often mistaken for rotifers?
Protozoans and rotifers are both microscopic organisms found in water environments, but they belong to different taxonomic groups. Protozoans are single-celled organisms belonging to the Protista kingdom, while rotifers are multicellular organisms belonging to the Animalia kingdom. The mistaken identity may occur due to their similar size and movements in water.
Do protozoans have skeleton?
No Protozoans do not have skeleton. They are unicellular organisms.
Are protozoans are unicellular or multicellular?
protozoans are unicellular organisms
What are 6 common protozoans found in pond water?
fifty thousand differant ones that is how many there is
