Animal Like Protists Amoeba Has ‘pseudopods’ – false feet Allow it to move and engulf other organisms

Animal Like Protists Paramecium Moves using cilia Has two nuclei Contractile vacuole

Paramecium

Animal Like Protists Stentor – “trumpet animalcule” Has cilia to move water and organism near it for feeding

Mixotroph photosynthesis and heterotrophy Euglena depends on availability of light and nutrients Euglena

Reproduction Binary fission Split in half Alternation of generations* Reproduce through spores spore that can travel further away and then form a new organism *often in plants

Benefits from protists Photosynthesis – produce oxygen Food web Food products/thickening agents (Carrageenan, made from algae) Carbon cycle symbiosis

Problems with Protists Malaria Caused by Plasmodium protist, spread via mosquitos Symptoms are fever, chills, headache, nausea Giardia Type of protist that causes giardia Symptom is intestinal issues Algae blooms