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Animals
» Despite its great strength, the octopus tires easily. The oxygen-carrying component of its blood, hemocyanin, is copper-based and is less efficient than the iron-based hemoglobin of humans. Therefore, a struggling octopus will quickly go into oxygen deprivation, and becomes lethargic.
» Americans consume more than 353 million pounds of turkey during National Turkey Lovers' Month in June. By comparison, more than 675 million pounds of turkey will be consumed at Thanksgiving.
» Despite its hump, a camel has a straight spine.
» Among other well-known names, a group of fish can also be called a draught.
» Amphibians see no color; they perceive only black and white.
» Amphibians’ eyes come in a variety shapes and sizes. Some even have square- or heart-shaped pupils.
» Insectivores are animals that eat insects. They include shrews, moles and hedgehogs.
» Invertebrates are animals that don’t have a backbone. Most animals are invertebrates, 98 of every 100 animal species falls into this category.
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