Passage V
Table
1. How many different bird species are listed on Table 1?
*
5 points
8
12
14
19
2. After six years of successional time, about how much organic mass is produced per square meter per year?
*
5 points
110 g/m2/yr
410 g/m2/yr
500 g/m2/yr
800 g/m2/yr
3. What is the dominant plant 100 years after farmland is subjected to slash-and-burn agriculture?
*
5 points
Canopy trees
Small trees
Shrubs
Grasses
4. About how much organic mass is produced per square meter per year after two years of successional time?
*
5 points
200 g/m2/yr
400 g/m2/yr
1,000 g/m2/yr
1,600 g/m2/yr
5. According to Figure 1, which of the following time periods produces the least organic mass per square meter per year?
*
5 points
1 to 4 successional years
8 to 16 successional years
16 to 32 successional years
128 to 256 successional years
6. According to Table 1, how many years does it take for small trees to become dominant on farmland subjected to slash-and-burn agriculture?
*
5 points
5 years
10 years
15 years
25 years
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1. The number of different bird species listed on Table 1 is 14.
2. After six years of successional time, about 410 g/m2/yr of organic mass is produced per square meter per year.
3. The dominant plant 100 years after farmland is subjected to slash-and-burn agriculture is canopy trees.
4. After two years of successional time, about 400 g/m2/yr of organic mass is produced per square meter per year.
5. According to Figure 1, the time period of 1 to 4 successional years produces the least organic mass per square meter per year.
6. It takes 25 years for small trees to become dominant on farmland subjected to slash-and-burn agriculture.
1. The number of different bird species listed on Table 1 is **14**.
2. After six years of successional time, about **410 g/m2/yr** of organic mass is produced per square meter per year.
3. The dominant plant 100 years after farmland is subjected to slash-and-burn agriculture is **Canopy trees**.
4. After two years of successional time, about **200 g/m2/yr** of organic mass is produced per square meter per year.
5. According to Figure 1, the time period that produces the least organic mass per square meter per year is **1 to 4 successional years**.
6. According to Table 1, it takes **25 years** for small trees to become dominant on farmland subjected to slash-and-burn agriculture.