Which fossil is the youngest?, P, L, M, N, O, Which fossil is the Oldest?, P, M, N, L, O, Fossil is, when there is no more of an organism's kind left on Earth., a trace of the remains of a living thing that died long ago., We know about mammoth by studying ……….., similar animals living today:, their fossils, all of the above, Many fish fossils are found on land, this means that land was, the same as now., a forest ., covered with water., Extinction is, When there is no more of an organism's kind left on Earth., a trace of the remains of a living thing that died long ago., The shell-shaped space that is left is called a………, cast, mold, Fossils show that Antarctica was once a……….. area., cold, warm, dry, The insect's entire body trapped in tree sap is a ……….fossil., cast, mold, trace, preserved, This dinosaur's footprints were left in mud. The mud hardened into rock. This is a ……….. fossil., cast, mold, trace, preserved, Fossils can look exactly like the hard parts of the animals they came from., true, false, A scientist can learn from studying a mold fossil of an ancient seashell, the shape and size of the shell, where the animal lived, how old it is, all of the above, The actual organism was replaced by stone., Cast, Mold, Fossils can be shells, bone, skin, leaves, or even footprints., true, false, ……………. also have been found in tar and ice., trace remains, Preserved remains

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