Presentation on theme: "Animal-like protists move in various ways."— Presentation transcript:
1 KEY CONCEPT Animal-like protists are single-celled heterotrophs that can move.
2 Animal-like protists move in various ways. Animal-like protists are often called protozoa.macronucleusfood vacuoleoral groovemicronucleuscontractile vacuolecilia
3 Protozoa with flagella are zooflagellates. flagella help zooflagellates swimmore than 2000 zooflagellates
4 Some protists move with pseudopods. change shape as they moveamoebas
5 Some protists move with pseudopods. change shape as they moveamoebasforaminifera
6 Some protozoa move with cilia. cilia help protists swim and capture foodmore than 8000 ciliatesmacronucleusfood vacuoleoral groovemicronucleuscontractile vacuolecilia
7 Some animal-like protists cause disease. Protists cause some well-known infectious diseases.sporozoiteshuman liverliver cellsdevelopedparasitesred bloodcellsMalaria is caused by Plasmodium and spread by mosquitoes.Sleeping sickness is caused by Trypanosoma and spread by flies.A giardia infection is caused by Giardia and spread through water.Malaria Infection