1. Refer to the graph in Model


1. Refer to the graph in Model 1.
a. What does the y axis on the left represent?
b. What does the y axis on the right represent?
c. For both y axes, what value do the numbers on the axes need to be multiplied by?


2. What was the approximate population of snowshoe hares in 1865?


3. What was the approximate population of lynx in 1865?


4. When the number of snowshoe hares is high, what happens to the number of lynx? Use actual
data from the graph to support your observation.


5. What happens to the population of lynx as the number of snowshoe hares decreases? Use actual
data from the graph to support your observation.


6. Propose an explanation for the apparent cause and effect relationship between the populations of
lynx and hares.


7. What does this information tell you
a. about the effect of size of prey populations on the number of predators?
b. about the effect of predators on the populations of their prey?


8. What other factor would infl uence the size of the hare population in addition to the size of the
population of lynx?



译文:
请参阅图模型1.


一.y轴的左边代表什么?


二.上的y轴右边代表什么?


C.对于两个y轴,什么样的价值?轴线上的数字需要乘以吗?


2.什么是hares的人口约在1865年?


3.什么是在1865年的人口约猞猁?


4.当hares的数量高,lynx的数量会发生什么?使用实际


从图中的数据来支持你的观察.


5.lynx的人口,hares数量的减少会发生什么事?使用实际


从图中的数据来支持你的观察.


6.提出了一种解释群体间的明显的因果关系


lynx和hares.


7.这是什么信息告诉你


一.的效果大小的猎物种群的数量大.鳄呢?


二.掠.食.者的猎物种群的影响呢?







龙纹剑 1年前 已收到1个回答 举报

九龙海盗 幼苗

共回答了13个问题采纳率:100% 举报

1. Refer to the graph in Model 1.
a. What does the y axis on the left represent? 野兔
b. What does the y axis on the right represent? 山猫
c. For both y axes, what value do the numbers on the axes need to be multiplied by? 10的3次方.
2. What was the approximate population of snowshoe hares in 1865? 158000
3. What was the approximate population of lynx in 1865? 58000
4. When the number of snowshoe hares is high, what happens to the number of lynx? Use actualdata from the graph to support your observation. 当野兔数量多的时候,山猫数量也增多,尤其是在1865年和1885年,2者数量分别达到第二值和最大值, 例如:158000只和58000只在1865年,130000只和88000只在1885年.
5. What happens to the population of lynx as the number of snowshoe hares decreases? Use actualdata from the graph to support your observation. 当野兔数量减少时,山猫数量也在减少,图中2者 曲线呈现相同走势,除了1855年之前.
6. Propose an explanation for the apparent cause and effect relationship between the populations oflynx and hares. 野兔是被捕食者,山猫是捕食者,山猫以野兔为生.
7. What does this information tell you
a. about the effect of size of prey populations on the number of predators? 被捕食者的数量会影响的捕食者的数量.捕食者随着被捕食者的增加而增加,减少而减少.
b. about the effect of predators on the populations of their prey? 捕食者会阻止被捕食者的数量无限制的增加,维护了生态平衡.
8. What other factor would influence the size of the hare population in addition to the size of the population of lynx? 天气, 草地的生长情况,可能还有别的除了山猫以外的捕食者,例如,鹰,蛇等.

1年前

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