limestone-a white or light grey rock that is used as a building material and in the making of cement
noun- In Spain you find three kinds: granite, limestone and conglomerates.
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skunks-a small, black and white North American animal that makes a strong, unpleasant smell as a defence when it is attacked
noun-Remember the winter we had to survive on skunks?
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mammal-any animal of which the female feeds her young on milk from her own body. Most mammals give birth to live young, not eggs:
noun-The elephant's the only mammal that can't jump.
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earth-the planet third in order of distance from the sun, between Venus and Mars; the world on which we live:
noun-The earth has lost much of its splendor and majesty.
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amphibian-an animal, such as a frog, that lives both on land and in water but must produce its eggs in water
noun-These chemicals pose a threat to human and amphibian health.
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bacteria-very small organisms that are found everywhere and are the cause of many diseases
noun-The agent of anthrax is a bacterium called Bacillus anthracis.
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insect-a type of very small animal with six legs, a body divided into three parts and usually two pairs of wings, or, more generally, any similar very small animal
noun-To check this insect you can consult the present sheet.
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reptile-an animal that produces eggs and uses the heat of the sun to keep its blood warm
noun- During these expeditions, three new reptile species have been discovered.
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prehistoric times-noun
The valley is an important finding fossils from prehistoric times.
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heart
Other team wins 10 points!
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star
Double points!
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rocket
Go to first place!
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thief
Give points!
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thief
Give points!
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gold
Win 50 points!
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fairy
Take points!
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banana
Go to last place!
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rabbits-a small animal with long ears and large front teeth that moves by jumping on its long back legs, or the meat of this animal eaten as food:
noun-The next step is to make the ears of rabbits.
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worms-a small animal with a long, narrow, soft body without arms, legs, or bones:
noun-The worms are about one half inch (1 centimeter) long.
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asteroid-one of many large rocks that circle the sun
noun-A comet or asteroid had collided with the giant planet.
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seesaw
Swap points!
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shark
Other team loses 25 points!
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rocket
Go to first place!
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thief
Give points!
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arthropod-a type of animal with no spine, a hard outer skin, legs with bones joined together, and a body divided into different parts, for example a spider, crab, or ant
noun- Other viruses are transmitted by the bite of an infected arthropod.