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Protists

Protists Protists are eukaryotes that can not be classified as animals, plants or fungi. Because protists are so diverse they are grouped according to the characteristics they share with organisms in other kingdoms.

Animal-Like Protists Animal-like protists are heterotrophs and most are able to move from place to place to obtain food, however, unlike animals they are unicellular. Animal-like protists may be called protozoans.

Animal-Like Protists Protozoans with Pseudopods (ex. Amoeba) Protozoans with Cillia (ex. Paramecium) Protozoans with Flagella (ex. Peranema) Protozoans that are Parasites. (ex. Plasmodium)

Pseudopods (Amoeba)

Cilliates (Paramecium)

Flagellates Giardia Trichonympha Parasites Plasmodium

Plant-Like Protists Plant-like protists are commonly called algae. They are not grouped together with organisms in Kingdom Plantae because they are not all autotrophs. They are both autotrophs and heterotrophs. Diatoms Euglena Dinoflagellates

Plant-Like Protists Plant like protists play an important role in ecosystems. They provide a source of food for many other organisms They make much of the oxygen that makes up the Earths atmosphere.

Algae (Euglena)

Fungus-Like Protists Like fungi, fungi-like protists are heterotrophs, have cell walls, and use spores to reproduce. Slime Mold Downy Mold Water Mold

Are viruses living or nonliving? What is the makeup of a virus? What are the pathways to viral reproduction? Where is the genetic material located in a bacteria cell? What is the role of a flagella? What are the ways bacteria can obtain food? How do bacteria obtain energy to carry out their functions? What are protists? How do protists obtain food and energy?