Question

ducks unlimited helps sample duck species across the united states. samples from one particular location for the last two years are shown below. which duck population seemed to hold steady? duck pond samples 2010 2011 mallard 58 mallard 73 wood duck 11 wood duck 12 green wing teal 19 green wing teal 34 american widgeon 24 american widgeon 29 american widgeon green wing teal mallard wood duck

Explanation:

Step1: Calculate population differences

• Mallard: $73 - 58 = 15$
• Wood Duck: $12 - 11 = 1$
• Green Wing Teal: $34 - 19 = 15$
• American Widgeon: $29 - 24 = 5$

Step2: Identify smallest difference

The smallest difference is 1, corresponding to Wood Duck.

Answer:

D. Wood Duck