WorksheetsData Analysis Graphs Ecology
Total questions: 2
Worksheet time: 60secs
Name
Class
Date
1.
What happened to the tree population in this forest?
a)
The number of trees stayed the same for two years and then began to decrease.
b)
The number of trees stayed the same for two years and then began to increase.
c)
The number of trees decreased for two years and then stayed the same.
d)
The number of trees increased for two years and then stayed the same.
2.
What event within the food chain might lead to the graph shown below?
a)
A disease in the population of rabbits.
b)
A disease in the population of snakes.
c)
A disease in the population of hawks.
d)
It is impossible to tell which of the above occurred.
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