Zoology

A:

According to the Australian Museum, crayfish breathe through their gills. Their feather-like gills, which are protected by the carapace, branch off from the base of their legs.

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  • What is the difference between amphibians and reptiles?

    Q: What is the difference between amphibians and reptiles?

    A: Reptiles have scales or scutes on their skin and claws on their feet; meanwhile, amphibians have moist, smooth or warty skin that lacks scales. Amphibian feet also lack claws. Reptiles lay eggs with leathery shells or can give birth to live young. Amphibians have shell-less eggs that need to be laid in a watery or moist environment to protect them.
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  • Can animals see in the dark better than humans?

    Q: Can animals see in the dark better than humans?

    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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  • What is the difference between human and animal bones?

    Q: What is the difference between human and animal bones?

    A: Human and animal bones are distinguished by gross skeletal anatomy, bone microstructure and bone macrostructure. Some human and animal bones are quite similar, making it difficult to identify isolated and fragmentary bones in the lab and the field. The three levels of classification help make distinctions among the most similar animal and human bones.
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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 are baby pandas called?

    Q: What are baby pandas called?

    A: Baby pandas are known as cubs. Female pandas carry their babies for about 5 months, and have no more than two cubs at a time. Cubs are extremely small when they are born, weighing less than six ounces.
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  • How can you find out if a Betta fish is pregnant?

    Q: How can you find out if a Betta fish is pregnant?

    A: Betta fish don't become pregnant the way mammals do. When betta fish reproduce, the male and female enter into a courtship ritual. The female ejects eggs, and the male fertilizes them externally with sperm. The male then builds a bubble nest in the aquarium and places the eggs in them.
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  • What do centipedes eat?

    Q: What do centipedes eat?

    A: All centipedes are predators, generally feeding on other invertebrates such as insects and spiders, although larger species will feed on small vertebrates such as lizards. They hunt using the legs on their first body segment, which are modified into poisonous fangs. There are a large number of centipede species, which are generally small, but some species reach up to 10 inches in length.
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  • Do porcupine quills grow back?

    Q: Do porcupine quills grow back?

    A: Porcupines typically regrow quills to replace the ones they have lost. The new quills generally start to grow back within days after they fall off.
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  • What are a fox's natural predators?

    Q: What are a fox's natural predators?

    A: In the wild, foxes are hunted by large cats, coyotes, jackals and wolves. Depending on where the fox lives, it can also be hunted by eagles, bears and even humans.
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  • What is the difference between nocturnal and diurnal animals?

    Q: What is the difference between nocturnal and diurnal animals?

    A: Nocturnal animals are active during the night, and diurnal animals are active during the day. In addition, both sorts of animals are adapted to the differing light levels and challenges of the different parts of the day that they are awake.
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  • Which animal makes the loudest sound?

    Q: Which animal makes the loudest sound?

    A: The sound of the blue whale, which measures 188 decibels and travels up to 500 miles, is the loudest among all animals, according to the Smithsonian National Zoological Park. On land, the loudest animal sound comes from the howler monkey and can be heard for up to 3 miles.
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  • What's bigger, a lion or a tiger?

    Q: What's bigger, a lion or a tiger?

    A: A Siberian tiger, also called an Amur tiger, is bigger than an African lion. Outweighing even the largest Bengal tiger by more than 150 pounds, the Siberian tiger is the world’s largest cat.
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  • What is another name for a male sheep?

    Q: What is another name for a male sheep?

    A: According to Sheep 101, an adult male sheep has several names, including ram or buck. A young sheep under the age of 1 is a ram lamb. In the United Kingdom, a male sheep is called a tup.
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  • What animals are native to Thailand?

    Q: What animals are native to Thailand?

    A: Animals native to Thailand include the Asian elephant, Bengal monitor, Malayan tiger, cicada, chubby frog, giant gourami, humpback dolphin, King cobra, Indian python and the walking catfish. Unfortunately, many of these and other species indigenous to the country are either endangered or extinct.
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  • What makes an insect an insect?

    Q: What makes an insect an insect?

    A: What makes an insect an insect are six legs, jointed bodies and an exoskeleton. Insects are cold blooded, and lay eggs. They have no lungs but breathe through spiracles found in their sides.
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  • What are grasshopper palps?

    Q: What are grasshopper palps?

    A: Grasshopper palps are long, protruding, segmented mouth parts that are located under the jaw. They are used to grab onto and hold food and guide it into the mouth.
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  • What is an example of an animal with bilateral symmetry?

    Q: What is an example of an animal with bilateral symmetry?

    A: A mouse is an example of an animal with bilateral symmetry. If an imaginary line were drawn from the tip of its nose to the end of its tail, one side would be exactly like the other.
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  • What animal weighs a ton?

    Q: What animal weighs a ton?

    A: There are a number of creatures in the animal kingdom that can weigh a ton or more, including the southern elephant seal, the blue whale and the hippopotamus. According to About.com, the white rhinoceros and the African elephant also typically weigh at least a ton.
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  • Are bison and buffalo the same thing?

    Q: Are bison and buffalo the same thing?

    A: The bison and the buffalo are two different species. There is the American bison, which lives only in North America, and there are two main buffalo species, native to Africa and Asia. A small population of European bison also lives in isolated parts of Poland.
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  • Can a pit bull mate with a Chihuahua?

    Q: Can a pit bull mate with a Chihuahua?

    A: A pit bull can mate with a chihuahua. The resulting puppies, sometimes called pithuahuas or chipits, are available from designer dog breeders. According to Pet Your Dog, chipits average anywhere from 15 to 45 pounds when fully grown and are active, lively and loyal.
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  • How do animals protect their young?

    Q: How do animals protect their young?

    A: Animals protect their young by herding, using camouflage, building dens and physically fighting off potential predators. Many animals utilize multiple strategies to protect their young, while others rely solely on a primary defense tactic.
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