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15 Cards in this Set

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Protists

Most diverse kingdoms , More than 200,000 species , Three Different Phyla: animal like(protozoans), plant like(algae), fungus like(slime and water molds)general

General Characteristics

Autotrophs and heterotrophs


Eukaryotic cells that are capable of movement


Mostly unicellular but could be millions of cells


Live in many different environments

Animal like protists(Protozoans)

Some free living; some parsites


Free living live in any habitat at some time during the year Many species make up zooplankton, primary source of energy in aquatic ecosystems (base of food chain)


Some love in the soil


Parasitic protozoan usually have complex life cycles that take place in cells, tissues, and bloodstream of their host.

Reproduction

Asexually usually by binary fission


Multiple fission, a form of cell division that results in a number of identical individuals

Sarcodines

•include hundreds of amoebas inhabitat freshwater, saltwater, and soil


•live on other protists which they engulf by phaycocytosis(surrounds the food with its pseudopodia)


•contractile vacuoles organelles move excess water


• foraminiferans and radiolarians have a hard outer layer covering


•when these die, the shells make huge deposits of limestone called chalk

Pseudopodia

Move by extending lobes of cytoplasm

Slme Molds

Spend half their life in a mobile, amoeba like feeding form, engulfing organic matter and bacteria like Protozoa


Produce fungus like reproductive structures which is why they were once classified as fungi


Typically found growing on damp soil, rotting logs , decaying leaves, or other decomposing organic matter in most areas


During reproduction, slime molds produce a spore bearing structure called a fruiting body

Multiple fission

Form of cell division that results in a number of identical individuals

Contractile vacuoles

Removes excess water

Macronulcleus

Large nucleus in ciliates

Micronucleus

Small nucleus

Paramecium Eats

When eating, the cilia sweeps food particle such as microscopic algae and bacteria into the oral groove, in the oral groove, the mouth pinches off around them to form food vacuoles

Plasmodium's Life Cycle

A malaria infected female mosquito human host. Sporozoites infect liver cells and mature into schizonts, which rupture and release merozoites.

Algae

Algae are not plants because it has chlorophyll and can manufacture their own food through the process of photosynthesis

Amoebas

As cysts can spread by water, in food, or on dishes causing ameboid dysentery which can be fatal