Wolves were reintroduced into Yellowstone National Park in 1995. In addition to tracking changes in the wolf population, scientists were interested in how the wolves would affect other parts of the Yellowstone ecosystem. In particular, they were interested in changes to the population of elk, the wolves’ primary prey. The graph below shows the population size of the wolf and elk populations over time.
Which of the following is a potential disadvantage of reintroducing wolves to Yellowstone?
1 point
1
Question 2
2.
The shaded regions in the diagram below show where different species of warblers, a type of bird, hunt for insects in the same tree.
Which of the following interactions between the warbler species is shown in the diagram?
1 point
1
Question 3
3.
In 1960, an invasive fly was introduced to the Galapagos islands.
To understand the relationship between the invasive fly and the tree finches that live on the island, researchers examined the mating success of two species of finches. Some finches had nests with flies and some did not. The data from the study are in the table.
Based on the table, which of the following claims about the relationship between the tree finch and the invasive fly is best supported?
1 point
1
Question 4
4.
The thick forest of this biome tends to be well adapted to short growing seasons.
1 point
1
Question 5
5.
The graph shows the relative solar energy received at local noon each day of the year at two different locations.
Location 1 is most likely located in which of the following terrestrial biomes?