Abeka 7th Grade Science, Section 11.4 Review

Name a disease caused by trypanosomes.

African sleeping sickness

Who is known as the Father of Microbiology?

Anton van Leeuwenhoek

List three ways bacterial cells differ from plant cells.

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?

Escherichia coli (E. coli)

What are the elastic "holding tanks" that collect and dispose of excess water within protozoa?

contractile vacuoles

Name the whip-like organ used by a euglena for locomotion.

flagellum

What is the sporozoan disease spread by the Anopheles mosquito?

malaria

What is the funnel-like depression that runs along one side of a paramecium's body?

oral groove

Which protozoa can be distinguished by their unique slipper shape and by the cilia that completely cover them?

paramecia

What is the term for the animal-like organisms made up of a single cell?

protozoa

Define the eyespot.

small spot of light-sensitive pigment

Define sporozoa.

spore-forming protozoa

What protozoan is the best-known sarcodine?

amoeba