Viruses
Virus ShapesThe leglike structures on the bottom of the T4 bacteriophage keep the virus firmly in place as it infects a cell.
Viruses
Virus SizesThe Streptococcus bacterium is a round organism that causes strep throat. If it is 10 times larger than the cold virus, what is its size?
Bacteria
Bacterial Cell StructureA bacterial cell that lacks a flagellum can be carried from place to place by air, water, or other organisms. What are the missing names of the cell structures?
Complete the table that lists how the bacteria get energy, whether they need oxygen, and how to destroy them.
Bacteria
Bacteria
Level of OxygenWhat might happen to the level of oxygen when a colony of autotrophic bacteria grows quickly under a sun lamp? When the size of the colony remains the same? When the bacteria get put into the shade?
AmoebaThis amoeba’s pseudopods surround and trap a food particle. What is the second step of this process?
Protists
Protists
Protozoans With FlagellaThe protozoan Giardia has eight flagella and two nuclei. How is the movement of oars on a boat similar to the movement of the flagella?
Protists
Protozoans With CiliaParamecia use cilia to move through water. How is the movement of oars on this boat similar to the movement of cilia?
AmoebasHow will the amoebas respond to bright light? Why is it important that they respond to light?
Protists
Functions of AlgaeAlgae play important roles in the environment. What are the functions of each type of algae?
Protists
Soybean Crop LossThe graph shows crop loss in metric tons in the United States between 2002 and 2005. How can the vertical axis be labeled? How did the soybean crop loss change? What would be a good title for the graph?
Protists
A dot of mold has started growing in the middle of each of two dishes containing the same bacteria. What happened by day two? Are the two dots of mold the same type of fungus?
Fungi