a type of reptile that became extinct about 65,000,000 years ago. => (n)
dinosaur (n)
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someone who studies fossils as a way of getting information about the history of life on Earth => (n)
palaeontologist (n)
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an area, often covered with sand or rocks, where there is very little rain and not many plants => (n)
desert (n)
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a large reptile with a hard skin that lives in and near rivers and lakes in hot, wet parts of the world. It is like an alligator, but it usually has a longer and narrower nose => (n)
crocodile (n)
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extremely large => (a)
enormous (a)
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very large in size, amount, or number => (a)
massive (a)
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the lower part of your face that moves when you open your mouth => (n)
jaws (n)
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an animal that hunts, kills, and eats other animals => (n)
predator (n)
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an animal that is hunted and killed for food by another animal => (n)
prey (n)
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a simple, quickly-made drawing that does not have many details => (n)
sketch (n)
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the frame of bones supporting a human or animal body => (n)
skeleton (n)
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the shape of a bone, a shell, or a plant or animal that has been preserved in rock for a very long period => (n)
fossil (n)
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giving help => (a)
helpful (a)
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relating to the mind, or involving the process of thinking => (a)
mental (a)
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not achieving the hoped for result; not successful => (a)