Protists Protists are eukaryotes that can not be classified as animals, plants or fungi. Because protists are so diverse they are grouped according to.

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Presentation transcript:

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

Cilliates

Flagellates Giardia Trichonympha Parasites Plasmodium

Plant-Like Protists Plant-like protists are commonly called alage. They are grouped together because, like plants, they are all autotrophs. 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.

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

Do Now: All protists are __________, __________ and ____________. Name 3 classifications of protists. All animal like protists are __________. Protozoans are further classified by how they _______. 4 classes of protozoans are__________. All plant like protists are __________. Plant like protists are colorful because they contain _________ which help them with __________. A common name for plant like protists is _________. Fungi like protists are ____________ who can’t ________.

Do Now: All protists are __________, __________ and ____________. Name 3 classifications of protists. All animal like protists are __________. Protozoans are further classified by how they _______. 4 classes of protozoans are__________. All plant like protists are __________. Plant like protists are colorful because they contain _________ which help them with __________. A common name for plant like protists is _________. Fungi like protists are ____________ who can’t ________. microscopic eukaryotes unicellular Plant like, animal like, and fungus like Heterotrophs that move move Pseudopods, ciliates, flagellates and parasites autotrophs pigments photosynthesis Algae heterotrophs move

Fungi Fungi are eukaryotes that have cell walls, are heterotrophs that feed by absorbing their food, and use spores to reproduce.

Fungi Cell Structure Fungi may be unicellular, like yeast, or mulitcellular. The cells of multicellular fungi are arranged into branching threadlike tubes called hyphae. What a fungus looks like depends on how the hyphae are arranged.

Fungi Obtaining Food First fungi grow hyphae into a food source. Then digestive chemicals ooze from the hyphae into the food, breaking it down into small substances that can be absorbed by the hyphae.

Fungi Reproduction Fungi usually reproduce by making lightweight spores in reproductive structures called fruiting bodies. The spores can then be carried easily through the air or water to new sites. Most fungi reproduce both sexually and asexually.

Fungi Reproduction Asexual Reproduction: Cells at the tips of the hyphae can divide to form spores, which grow into fungi that are genetically identical to the parent. Sexual Reproduction: Hyphae of two fungi can grow together and exchange genetic material, then grow a new spore producing structure.

Fungi role in nature Fungi are food Fungi are environmental recyclers Fungi fight disease Fungi cause disease Fungi help plants grow

Fungi are _______, ________ and have ______ ________. The cells of fungi are arranged in threadlike tubes called ________ Fungi reproduce using ________ which are produced in structures called ________ _________. How are fungi classified? Explain different roles of fungi in nautre.

Fungi are _______, ________ and have ______ ________. The cells of fungi are arranged in threadlike tubes called ________ Fungi reproduce using ________ which are produced in structures called ________ _________. How are fungi classified? By how they produce their spores, (club, sac, or zygote) Explain different roles of fungi in nature. Food, medicine, environmental recyclers, symbiotic partners, diseases eukaryotes heterotrophs Cell walls hyphae spores Fruiting bodies