Make a claim to explain what caused the deer population to decrease (food, predators, etc). Use the data provided to provide at least one piece of evidence and a reason.
The birds decreased in population because of a decrease in food (Claim).
The birds eat sunflower seeds, but in 2008, the amount of sunflower seeds decreased (Evidence)
Since there was less food, the bird population decreased due to animals starving (Reasoning)
