Compared to food chains on land, the bacteria fill the same role as
O a. hawks
O b. rabbits
O c. green plants
O d. mushrooms
Name ________________________________
O a. preventing the nucleus from becoming larger with each cell division.
O b. maintaining the chromosome number during sexual reproduction.
O c. keeping the amount of DNA in the cell at a minimum level.
O d. allowing the growth of the cell without increasing the DNA content.
|
2. Around hot-water vents deep in the ocean live specialized communities. Bacteria turn hydrogen sulfide into sugars by a chemical process. The bacteria then provide food to other life forms, as shown in the diagram.
Compared to food chains on land, the bacteria fill the same role as O a. hawks |
|
|---|
3. What is the purpose of the flagellum?
O a. circulation |
|
|---|
4. 
The most valid and reliable test of this hypothesis would include an experimental group of pine seeds recovered from a fire area and a group of pine seeds that were
O a. germinated after a fire
O b. tolerant of fire
O c. found before a fire
O d. placed in a fire
5. According to the key on the right, to what family does the insect below belong?
 O a. Dytiscidae |
|
|---|
6. In this graph, what is the population of deer at the carrying capacity of the environment?
O a. 10 |
|
|---|
7. Jan consistently read the volume of liquids as shown. How would this practice impact her work?
O a. Her measurements would lack precision. |
|
|---|