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Animals help pollinate plants. Animals help fertilize plants. Animals are part of the food chain and keep ecosystems in balance. Animals serve as companion animals, helping reduce depression, loneliness. Animals serve as therapeutic animals in hospitals, nursing homes. Animals work as service animals, such as seeing eye dogs, cancer sniffing dogs, epilepsy, seizure sensing dogs. Some animals are working animals - herding dogs, sled dogs, horses, mules, cows (Pulling carts), explosive, bomb or drug sniffing dogs, scent tracking dogs, seals and dolphins trained by the Navy for security, Search and Rescue dogs, elephants (transportation and moving objects. etc...
shapessa2010:
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