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Why Did the Archaeopteryx Become Extinct?

Why Did the Archaeopteryx Become Extinct?
A lot of facts about archaeopteryx have been established through the years. This was made possible with the discovery of numerous near complete fossils of the creature. This enables scientists to determine its basic traits and behavior. Physical Appearance The creature was about a foot long from the beak all the way to the tail. It only weighed around 400 grams and had a wing span of 1.5 feet. Scientific facts have shown that it is the direct descendant of modern birds. There are differences however. For one thing this creature had teeth. The chest area was rather flat and each wing possessed three claws. Its fingers however, were small in relation to its body. Its tail was long and thin. Similarity with Birds and Dinosaurs The facts about archaeopteryx show it had feathers. In terms of...
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Why Do Whales Sing?

Why Do Whales Sing?
One of the most fascinating creatures in the world, a whale is a complex being with lots of interesting features and activities. This strong and massive mammal is subdivided into various species, some of the most popular of which are the humpback whale, blue whale and sperm whale. Let’s take a closer look at this wonderful creature and learn about its various important characteristics, including the reason why whales sing. The Purpose of the So-Called Whale Song Why do whales sing? The primary purpose why whales sing is to communicate with other whales. In doing so, they produce lyrical sounds underwater that is referred to as whale song. As massive and powerful creatures, the sounds that they produce are ultimately loud. However, the level of sounds varies depending on what species are...
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Why is My Dog Coughing Up White Foam?

Why is My Dog Coughing Up White Foam?
There are many possible reasons why dogs cough up white foam. When it happens, take the dog to the vet immediately. It may or may not be a life threatening condition, but it is better to be sure. Bloat One possible cause for your dog coughing up white foam could be bloat (twisted stomach). For reasons not yet fully understood, the stomach muscles suddenly gets filled with air. It goes on to put pressure on the other organs. The most affected is the diaphragm. This makes it hard for the dog to breathe. It also contracts veins in the stomach, affecting the heart. The stomach will then twist and turn. The blood supply will be terminated. The most common symptom is that of vomiting. As this is one of the common reasons why dogs cough up white foam, it is important to see a vet as soon as possible. Usually...
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Why Do Cats Purr?

Why Do Cats Purr?
Many people love cats because they serve as excellent human companions. Furthermore, these domesticated animals also help in hunting and controlling the population of unwanted creatures and pests like scorpions, snakes and vermin. Furthermore, these gentle pets have unique behaviors that make them very interesting and endearing to many individuals. In order to understand them better, here is a quick look at their different behaviors including the reason why cats purr. The Importance of Purring to Cats Why do cats purr? These loveable and friendly creatures purr for various reasons, the most important of which is for communication. They also do this act when people pet them, putting them in a relaxed state and position. Furthermore, they also do this when eating. According to animal experts,...
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