Abeka 7th Grade Science, Section 11.4 Review Exam Questions With Detailed Correct Answers Graded A+

What is the term for the animal-like organisms made up of a single cell? - correct answers protozoa Who is known as the Father of Microbiology? - correct answers Anton van Leeuwenhoek Name the whip-like organ used by a euglena for locomotion. - correct answers flagellum Define the eyespot. - correct answers small spot of light-sensitive pigment What are the elastic "holding tanks" that collect and dispose of excess water within protozoa? - correct answers contractile vacuoles Name a disease caused by trypanosomes. - correct answers African sleeping sickness What protozoan is the best-known sarcodine? - correct answers amoeba Which protozoa can be distinguished by their unique slipper shape and by the cilia that completely cover them? - correct answers paramecia What is the funnel-like depression that runs along one side of a paramecium's body? - correct answers oral groove Define sporozoa. - correct answers spore-forming protozoa What is the sporozoan disease spread by the Anopheles mosquito? - correct answers malaria List three ways bacterial cells differ from plant cells. - correct answers Bacteria prokaryotes, without organized nuclei; plants are eukaryotes, with organized cell nuclei. Bacterial cells have a cell wall made of peptidoglycan; plant cells have a cell wall made of cellulose. Bacterial cells reproduce by binary fission; plant cells reproduce by mitosis. Which species of bacteria has given us much of our present understanding of heredity? - correct answers Escherichia coli (E. coli)