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Biology Chapter 19 R
| Question | Answer |
|---|---|
| How are protists classified? Why will this change in the future? Name the current groups. | They are classified by the method of obtaining nutrition. They are divided into three groups using this method: animal-like protists, plantlike protists, and fuguslike protists. There is gonna be more of the DNA information available for this kingdom. |
| How do scientist think that protists with chlorophyll and mitochondria formed? | They were formed by algae that had brought them in the cell. |
| How do amoebas get rid of waste since they dont have an anal pore? | The waste will diffuse across the cell. |
| How do amoebas survive harsh conditions? | They have a test which is a hard, porous covering similar to a shell, which surrounds the cell membrane. |
| All protozoans are ____, one disease they cause is called ____ which is transmitted by ____. | Parasitic, Malaria, Misquitos |
| Two diseases that zooflagellates cause is.... | It causes Chagas disease also african sleeping disease. |
| 3 Ways algae are classified | - The type of chlorophyll or secondary pigment - Method of food storage - The composition of the cell wall. |
| How do algae that have secondary pigments benefit from having them? | They allow algae to absorb light energy from wavelengths that are not absorbed by water. |
| How do diatoms store their food? why is this beneficial? | They store their food as oil. Oil is less dense so they can float to the surface and absorb energy from the sun for photosynthesis. |
| what is the source of diatomaceous earth? How is it used? | Fall from silica walls and accumulate on the ocean floor. It is collected and used as an abrasive and a filtering agent. |
| Explain the function of an euglenas eyespot. | The eyespot is a light-sensitive receptor that helps orient the euglenoid toward light for photosythesis. |
| Name 4 common uses of algae. | Red Algae- used to make pressed sheets, soups, and sauces. Brown Algae- used in syrups, ice creams, and paints. Green algae- used in sea lettuce, salads, soups. Diatoms- used in cooking oils, sugars, and water supplies. |
| Explain how one species of mildew affected the irish potato crops--Include how it got there, how it spread, the side affects to the plants and how the people were affected. | They were infected by the holes in the ship, The disease was airborne, It made many people sick and it kill people. |
Created by:
Alayna Long
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