Zoology

A:

Animals have special adaptations in their eyes that give them better night vision than humans. However, there are differences between how different species see in the dark. Some animals have even more adept night vision than others.

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  • Which animals have no skeletons?

    Q: Which animals have no skeletons?

    A: More than 98 percent of all animal species have no bony vertebrae or skeletons and are collectively classified as invertebrates. Jellyfish, octopuses, worms, snails, crabs and lobsters, insects, squid and sea stars are some common examples. The invertebrate designation has no bearing on the biological traits or characteristics of the species. More than 30 animal groups are included in the invertebrate classification.
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  • What is the fastest flying animal?

    Q: What is the fastest flying animal?

    A: The peregrine falcon, or Falco peregrinus, is the fastest bird and the fastest member of the animal kingdom. When swooping or diving, it reaches speeds of up to 200 miles per hour. It is native to North America and historically known as the duck hawk.
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  • What is a carnivore?

    Q: What is a carnivore?

    A: The word "carnivore" can refer to one of two things: a predatory animal or mammals that are classified as members of the order Carnivora. Most members of Carnivora are flesh-eating, so listing these animals as examples would cover both definitions.
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  • How much does the average adult moose weigh?

    Q: How much does the average adult moose weigh?

    A: The average adult moose weighs between 750 and 950 pounds. Solidly built with a massive set of antlers, these beasts are the largest member of the deer family.
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  • What is a rhino's horn made out of?

    Q: What is a rhino's horn made out of?

    A: Rhino horns are composed of a fibrous protein called keratin, which is the same substance found in human fingernails and hair. Keratin is also present in feathers, claws and hoofs.
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  • What animals are in Australia?

    Q: What animals are in Australia?

    A: Because of its unique climate, size and ecosystems, Australia is home to an enormous variety of unique and diverse types of animals. These include many unusual mammals, fish, birds, reptiles and other animals that are only found in the wild in Australia. The country is also famous for its many marsupials, such as koalas, a large array of wallaby species, and kangaroos with varying physical characteristics.
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  • How do bats find their way in the dark?

    Q: How do bats find their way in the dark?

    A: Bats maneuver in the dark using their eyes and a process called echolocation. Echolocation refers to the process of using echoes and sound waves to navigate around objects.
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  • What animals have multiple stomachs?

    Q: What animals have multiple stomachs?

    A: About 150 different types of animals have multiple compartments in their stomachs, including cows, sheep, camels, yaks, deer and giraffes. Animals with multiple stomach compartments are known as ruminants, named after the part of the stomach called the rumen.
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  • How many segments of a crustacean's body have appendages?

    Q: How many segments of a crustacean's body have appendages?

    A: The number of segments a crustacean has varies greatly depending on the species, but it is possible for all the segments of a crustacean to have appendages. The type of appendage differs according to whether it is on the region of the head, thorax or abdomen.
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  • How many fish are there in the world?

    Q: How many fish are there in the world?

    A: The number of fish in the world is always changing due to reproduction, predation, human consumption and environmental factors, among other reasons. Thus, it cannot be known exactly how many fish there are in all.
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  • Why are lions called the king of the jungle?

    Q: Why are lions called the king of the jungle?

    A: Lions are considered to be the king of the jungle due to their size, strength and numbers and because they don't fear any other animal. This can be somewhat misleading since lions don't actually live in jungles.
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  • What is the smallest mammal on earth?

    Q: What is the smallest mammal on earth?

    A: There are two contenders for the world's smallest mammal, depending on whether one is going by length or weight. The world's lightest mammal is the Etruscan shrew, while the shortest is Kitti's hog-nosed bat.
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  • What is the difference between tadpoles and polliwogs?

    Q: What is the difference between tadpoles and polliwogs?

    A: According to Reference.com, there is no difference between a pollywog and a tadpole. Both words describe the larval stage of the toad or frog. These amphibians for the most part live in the water during this stage of their lives.
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  • What animals are found in the polar region?

    Q: What animals are found in the polar region?

    A: Several types of animals live in the Earth's cold polar regions, including polar bears, Arctic foxes, whales, Arctic wolves, brown bears, Pacific salmon, caribou, walruses, auks, penguins, Arctic owls, lemmings, Arctic hares, narwhals and killer whales. Due to a lack of vegetation, most animals in the polar regions are carnivores. Penguins feed on fish in cold Antarctic waters. Meanwhile, leopard seals and killer whales feed on penguins.
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  • Are insects considered animals?

    Q: Are insects considered animals?

    A: Insects belong to the largest phylum of the animal kingdom and are called arthropods. According to the Encyclopaedia Britannica, insects are members of the Arthropoda phylum and make up 84 percent of all the known animals on Earth.
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  • How long do painted turtles live?

    Q: How long do painted turtles live?

    A: A painted turtle can live for around 20 years in the wild, or it can live for 30 years or more in captivity. Turtles are very well known for having long lifespans, and painted turtles are no exception.
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  • What are 10 examples of omnivorous animals?

    Q: What are 10 examples of omnivorous animals?

    A: Animals such as dogs, rats, squirrels, bears, pigs, skunks, rhinoceroses, badgers, raccoons and foxes are all omnivorous animals. Apes, humans and monkeys are omnivorous too. Most animals that live in close proximity with humans are omnivores.
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  • What is the different between freshwater and saltwater fish?

    Q: What is the different between freshwater and saltwater fish?

    A: Freshwater fish live in rivers and lakes with very low salt levels, and saltwater fish live in seas and oceans that contain high levels of salt. The level of salinity in a fish's environment determines the type of fish it is. Common freshwater fish include trout, bass, salmon, and catfish. Most tropical, exotic and aquarium fish are freshwater fish.
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  • Do ants come out in the winter?

    Q: Do ants come out in the winter?

    A: During the winter months, ants go into a hibernation-like state and do not emerge outside until the spring. They stay underground throughout the winter where it is warmer and they do not have to try to survive in the outside temperatures.
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  • What is the strongest animal on Earth?

    Q: What is the strongest animal on Earth?

    A: The strongest animal on Earth is the blue whale. The blue whale is also the largest creature in the entire world.
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  • What are examples of omnivores?

    Q: What are examples of omnivores?

    A: Omnivores are organisms that eat foods from both animal and vegetable sources. Small insects, human beings, some small animals, birds and reptiles are all examples of omnivores.
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