The correct answer to this open question is the following.
Although there are no options attached, we can say the following.
The residents of Dallas might benefit from knowing mosquito population trends in that they could take actions on time to prevent themselves from any outbreak of mosquito's disease and have the proper precautions and medicines in case of a mosquito bite.
Let's remember that the area of Dallas, Texas suffered from an outbreak of the Mosquito virus known as the West Nile virus in 2012. Compared to 2011, the mosquito population increased considerably. It was probably the heat. And mosquitos quickly spread the virus.
Answer:
reflect the conditions and changes of an environment where they live.
Explanation:
Effective indicator species need distinct environmental factors to sustain and survive in the environment. They reflect the conditions and changes of an environment where they live.
Fishes, specifically steelhead trouts, are an effective indicator species because steelhead trouts require distinct environmental conditions to survive such as temperature of the water, availability of food, specific waterbed, etc. If there is an absence of steelhead trouts in a particular body of water, scientists can easily determine that the water has environmental problems.
