Animals

Which small sea animal is considered to be a link between vertebrates and invertebrates?

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What is a common term for people that like staying up late?
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Which bird is also known as the South American ostrich?
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Which animal is included in the Chinese zodiac?
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Which dog has the best tracking skill?
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Which mammal always bears four identical young of the same sex?
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What type of animal is a cassowary?
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What is a family group of warthogs called?
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What is a newt?
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