Answer:Animals are our companions, our workers, our eyes and ears, and our food. They appear in ancient cave paintings, and on modern commercial farms. We have domesticated some of them, while others remain wild and are sometimes endangered by our activities. They keep us company, and while they can provide comic relief, they also serve us as valuable assistants.Unlike the performance of specific tasks, an animal's value as a companion might be more difficult to measure. With human association and their domestication, animals also became objects of affection and sometimes worship. Florence Nightingale observed small pets helping to reduce anxiety in psychiatric patients, and Sigmund Freud used his dog Jofi to help diagnose the level of tension in patients. Animal Assisted Intervention International lists specific therapeutic approaches and goals that can be obtained through the assistance of trained dogs and handlers. These include improvements in cognitive and social functioning. Horses, too, can serve in counseling. The Certified Therapy Horse Association advocates stringent certification criteria for horses and their handlers.

Animals As Resources

Cattle, pigs, poultry and fish feed us, but the consumers buying their meat as food are far removed from the animals themselves. The USDA puts 2013 meat consumption levels of 25.5 billion pounds of beef alone. Beef exports added $5.7 billion to the economy. Economic pressures lead to large livestock operations, which bring their own problems like disease control and manure disposal, leading to algal blooms in streams and lakes. This consequence is also important to human-animal relationships, even though humans don't interact directly with the animals. The US Environmental Protection Agency regulates these operations. At the same time, smaller-scale operations seek to preserve heritage breeds of livestock, who retain traits of self-sufficiency and resilience.

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