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ch. 8 study guide
chapter 8 study guide questions and answers for zoology.
| Question | Answer |
|---|---|
| What type of environment does paramecium live in? | Quiet, slow glowing water. |
| What is the type of Locomotion (movement) of the following? | Amoeba- Flagella Paramecium- Cilia Euglena- False feet |
| What are the two protozoans that are unicellular and heterotrophic? | Euglena and paramecium. |
| What does the prefix "pseudo" mean? | False feet |
| Describe the Euglena; how does it move? | It is a small organism in the Protista Kingdom. It has a whippy tail that allows in to move through the water. |
| What is the function of the contractile vacuole? | To remove excess water. |
| What is the method of reproduction for the amoeba? | Binary fission |
| What is the kingdom and phylum in which paramecium can be placed? | Eukarya kingdom; Protista Phylum. |
| How does the euglena obtain or find food? | Gains nutrients by absorbing them through the cell membrane. |
| What is the function of the ectoplasm and endoplasm in protozoans? | Endoplasm- The inner region of the Cytoplasm. Ectoplasm- The outer region of the cytoplasm just beneath the plasma membrane. |
| What organ is used for the removal of undigested waste in the paramecium? | Egestion vacuoles. |
| What is the name of the marine protista that is responsible producing a large portion of the marine food web? | Class Phytomastigophorea |
| What causes the "red tides"? | Dinoflagellates |
| What disease does the protozoan Trypanosoma brucei cause? | Causes African sleeping sickness in humans. |
| What animal is the carrier of Trypanosoma? | Tsetse flies |
| What are Lobopodia? | Pseudopodia that are broad and are used for locomotion and engulfing food. |
| What amoeba causes dysentery (diarrhea) in humans? | Entamoeba hisolytica |