Kingdom Protista
Objective 1: I can describe protists Protists are a kingdom of living organisms that CAN NOT be classified as animals plants or fungus. They are: Eukaryotic they contain a nucleus Can be unicellular (composed of only one cell) or multicellular (composed of many cells) Can be plant-like, animal-like, or funguslike Live in wet or moist environments If you look at a drop of pond water under a microscope, all the "little creatures" you see swimming around are protists.
Objective 2: I can describe plant-like protists Plant-like protists: Contain chloroplasts are autotrophs they make their own food. Examples: Algae: eukaryotic plant like protists that can be unicellular or multicellular, contain chlorophyll and provide over HALF of the worlds oxygen supply and is the base of the food chain(red Algae, Brown Algae, Green Algae) Diatoms: unicellular group of algae that come in a variety of shapes and sizes and contain silica in their cell walls.
Objective 3: I can describe animal-like protists Animal-like protists: Protozoans Heterotrophs can not make their own food digest their food in vacuoles Protozoans are grouped according to how they move The word protozoa means "little animal." They are so named because many species behave like tiny animals specifically, they hunt and gather other microbes as food.
3 groups of Animal-Like Protists: Amoebae(plural for amoeba) Amoeba a unicellular life form characterized by an irregular shape and moves using pseudopods. a foot-like extension used for locomotion They engulf food as they go through a process called phagocytosis the cellular process of engulfing solid particles by reshaping the cell membrane.
Flagellates move by a tail-like structure called a flagella attached to the outer membrane used for locomotion generally the smallest of the protozoa have one or several long flagella
Ciliates: move by tiny hair-like structures called cilia eat the other two types of protozoa and bacteria found in every aquatic habitat. Examples: Paramecium: a group of unicellular protozoa which mainly move by the use of cillia
Objective 4: I can describe fungus-like protists Are heterotrophs (can NOT produce their own food) Many have flagella and are able to move at some point in their lives Examples: water molds, slime molds, downy molds Sporozoa reproduces by the use of spores
Ciliates MOVE BY CILLIA Flagellates MOVE BY FLAGELLA Amoebae MOVE BY PSEUDOPODS Animal- Like (Protozoans) Heterotrophs Protists Fungus-Like (decomposers) Heterotrophs Plant Like (Algae) Autotrophs SPOROZOA & FLAGELLA MOLDS: WATER DOWNY SLIME CONTAIN CHLOROPHYLL ALGAE: RED GREEN BROWN
Objective 5: I can describe special Protists: Euglenas: are both plant-like and animal-like are autotrophs contain chlorophyll and can make food from sunlight Are Heterotrophs ingest food from surrounding water. Have a red eye spot which is used to detect light.
Volvox: Unicellular type of green algae forms spherical colonies of up to 50,000 flagellated cells that live in a variety of freshwater habitats. A bunch of unicellular algae form a hollow ball colony together a volvox is not multicellular!
Objective 6: I can describe the organelles found in Protists Amoeba
Paramecium
Euglena
Volvox casddddd dd Hollow Ball of individualized cells - colony casddddd dd Individual algae cell Daughter Colony Each algae cell has 2 flagellum
Organelles (Tiny Organ): parts of a cell Cytoplasm: the gel like substance that fills the inside of the cell to allow other organelles to move around Cytoplasmic Streaming: the movement of cytoplasm inside of the cell which aids in movement Contractile Vacuole: a structure that removes excess water from the cell Flagella: long whip like tail used for locomotion (movement) Pellicle: a thin wall that supports the cell membrane of some protists like euglena and paramecium
Organelles (Tiny Organ): parts of a cell Cillia: short hairs that move in rhythm and are used for locomotion (movement) Pseudopods: false feet used for locomotion (movement) of ameobae Nucleus: the brain of the cell where DNA is stored it controls all processes of the cell Chloroplasts: the site where photosynthesis occurs turns sunlight into sugar or food for the cell
Organelles (Tiny Organ): parts of a cell Oral Groove: canal of the paramecium used to ingest nutrients. Food Vacuole: area where digestion occurs Red Eye Spot: helps the euglena to detect light
MOVE BY CILLIA MOVE BY FLAGELLA Animal- Like ( ) MOVE BY PSEUDOPODS Protists Fungus-Like ( ) Plant Like ( ) SPOROZOA & FLAGELLA MOLDS: WATER DOWNY SLIME CONTAIN ALGAE: RED GREEN BROWN