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How did the Tyrannosaurus rex reproduce?

Because the fossil record does not provide many clues about the reproduction of tyrannosaurs or dinosaurs in general, much of what scientists know about dinosaur mating habits is from observing modern animals that might reproduce similarly. The awkward problem of getting into a position for the male to fertilize the female in such a large animal as a Tyrannosaurus rex can only be hinted at by the mating procedure for modern-day large animals such as giraffes and elephants. Once in place, the most likely method of sexual reproduction was through the cloaca, an orifice also present in birds, whi..

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Do Chow Chows shed?

Chow chows have a top coat and an undercoat. The easiest way to reduce shedding is to brush chow chows with a metal grooming comb and a shedding slicker. A medium-sized pin brush is an ideal tool for brushing the undercoat. Before brushing, mist the coat with a diluted dog-coat conditioner to reduce mats and tangles. Another way to reduce shedding is to bathe chow chows once or twice a month after brushing. During heavy shedding periods, chow chows may require daily brushing.

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Which charities provide facts for children about endangered animals?

In addition to browsing the fact files, children can read simple stories such as "Augusto and the Turtle" to learn about how changes to fishing equipment can help fishermen avoid accidentally catching turtles. There are also games such as Escape the Poachers, where the child helps the rare Sumatran rhino avoid poachers as it runs through the forest to reunite with its family.

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How many different types of Yorkie terrier dogs are there?

Yorkshire terriers are descendants of dogs bred to catch rodents in Yorkshire coal mines and clothing mills. The original dogs were much larger than present-day Yorkies, which are popular companion dogs. The piebald coloration of the Biewer is due to a recessive gene first observed in 1984. The Biewer terrier's official registry, the Biewer Terrier Club of America, is working toward gaining AKC acceptance for the breed as of 2014.

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What are some different kinds of shellfish?

The animals that are labeled shellfish belong to two very different groups: the Crustacea, which are more closely related to spiders, and the Mollusca, which are more closely related to slugs. Sometimes "shellfish" is defined narrowly so as to exclude crustaceans, but in general use, it refers to both sorts of animals.\nThe crustaceans that are labeled shellfish include lobsters, shrimp and crabs. These creatures have chitinous exoskeletons covering their edible flesh. Mollusks include scallops, oysters, abalone and clams. These creatures have hard mineral shells that surround their soft bodie..

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How do you care for an abandoned 2 week old puppy?

By employing a few simple strategies, an owner increases the chance that his young puppy will grow and develop normally. Proper nutrition during the puppy's first few weeks of life strengthens its chances of a healthy adulthood. An abandoned puppy needs to be fed a milk replacement formula every 6 hours until it is full. Depending on the puppy's size, the owner can use an eyedropper or a bottle with an appropriately-sized nipple.\nThe puppy's sleeping quarters need a temperature around 80 degrees Fahrenheit at all times. The owner can create a safe and secure place for the puppy..

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How do lizards survive in the desert?

From there, the lizard developed adaptions that allowed it to survive in its environment starting with thermoregulation. Thermoregulation is necessary to withstand both the extreme heat and the extreme cold of the desert. In order for thermoregulation to work, the lizard tries to keep itself in the shade during the heat and out of the shade during the cold. It also keeps itself close to hot surfaces when it is cold. The color of many lizards can also change allowing them to either absorb heat quickly or more slowly.When there are a lot of changes happening in the desert, the lizard hides itsel..

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Where do clams live?

Clams are invertebrates with a bivalve shell. This means that their shells are equal in size and closed together with two adductor muscles. They also have a muscular foot that they use to burrow themselves in the mud. Burying themselves offers protection against wave activity and predators. Clams can be found in a variety of sizes ranging from 0.004 of an inch to almost 4 feet as seen in the giant clam, which is found in both the Pacific and Indian oceans.

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What should you do if your dog eats mouse poison?

Mouse and rat poisons contain a number of types of poison, Pet Poison Helpline explains. The most common are long-acting anticoagulants, which cause bleeding. The antidote for this type of poison is Vitamin K. Another increasingly common kind of mouse poison is cholecalciferol, or Vitamin D3. This is an extremely dangerous poison that causes kidney failure, even if the dog ingests only a small amount. Pet Poison Helpline advises that treatment includes intravenous fluids and medicines to remove calcium from the dog's body. The vet may follow the animal's calcium levels and kidney fun..

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What types of hawks live in North America?

The common black hawk resides along the edges of flowing streams in the Southwestern United States. It has very broad wings and short legs. The species is vulnerable to disturbances and habitat loss, and human disturbances often lead to the abandonment of nesting areas.\nCooper's hawk lives in woodland areas. It has blue-gray feathers with reddish bars on its underside and darker bands on its tail. Sharp-shinned hawks appear similar to Cooper's hawk, but are smaller in size.\nThe gray hawk is common in Arizona and Texas. It spends time along lowland streams, feeding on lizards. Adult..

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