Read the selection and explain how comparison and contrast is shown.(5 points each)
Example:1. An experiment with dogs suggests that our canine pals, much like ourselves, differ in their attitude toward life: Some dogs are pessimists while others appear to be optimists. In an experiment at a British veterinary school, researchers placed bowls of food in a regular location and got dogs used to finding their dinner there. The researchers then placed a consistently empty bowl in a separate location with a second, food-filled bowl placed between the two. Some dogs, when led to the empty bowl, would just give up if no food was present. These were the pessimists. The optimists, however, having experienced a reward on previous occasions, would keep looking and eventually locate the bowl in the middle. The dogs labeled pessimistic also grew anxious if separated from their owners. They would bark, chew things, and urinate inappropriately. The optimistic dogs, however, tended to fall asleep when left alone. They also greeted strangers as possible substitute playmates. In contrast, the pessimistic dogs would react to strangers with fear and aggression. Answer; Some dogs are optimists and some are pessimists. They differ in several ways.

2. There are several characteristics which distinguish plants from animals. Green plants are able to manufacture their own food from substances in the environment. This process is known as photosynthesis. In contrast, animals, including man, get their food either directly from plants or indirectly by eating animals which have eaten plants. Plants are generally stationary. Animals, on the other hand, can usually move about. In external appearance, plants are usually green. They grow in a branching fashion at their extremities, and their growth continues throughout their lives. Animals, however, are very diverse in their external appearance. Their growth pattern is not limited to their extremities. It is evenly distributed and only occurs in a definite time period. Therefore, the difference between plants and animals is quite significant Answer:

3. Although I raised Marcee and Obbie since they were puppies, they have completely diverse personalities. Obbie is a six- year old, male, toy Pomeranian whereas Marcee is a one- year old, female, Boston terrier. Obbie is small and soft, unlike Marcee who has bristly hair and is much bigger. Marcee insists on sleeping on the bed, under the covers every night. On the other hand, Obbie will only sleep on the floor, under the bed. Obbie is tremendously loyal and uptight; however, Marcee is hyper and friendly to anyone she meets or sees. Around other dogs, Marcee cowers to the larger dog, yet Obbie will always stand his ground, never giving up until he is scolded. Given that they were both treated the same way all their lives, it is hard to believe that they are so different in everything they do. Answer:​

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