Question

1. this graph shows the beginning-of-year population counts for wolves in yellowstone national park from 1996 to 2023

yellowstone national park wolf population
(the y - axis is labeled number of wolves with values 25, 50, 75, 100, 125, 150, 175. the x - axis is labeled year with years 1996, 1999, 2002, 2005, 2008, 2011, 2014, 2017, 2020, 2023. data source: nps)

1. select all the statements about the wolf population that are supported by the graph.
2. - the wolf population size increased during 2005.

• the wolf population size decreased during 2009.
• the average wolf population size in yellowstone national park after 2009 was about 100 individuals.

Explanation:

Step1: Analyze 2005 population trend

Check the graph's data points around 2005. The population curve rises in 2005, so "The wolf population size increased during 2005" is supported.

Step2: Analyze 2009 population trend

Look at the graph for 2009. The curve decreases in 2009, so "The wolf population size decreased during 2009" is supported.

Step3: Analyze post - 2009 average

Observe the population values after 2009. Most data points are around 100, so the average being about 100 is supported.

Answer:

• The wolf population size increased during 2005.
• The wolf population size decreased during 2009.
• The average wolf population size in Yellowstone National Park after 2009 was about 100 individuals.