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The oldest rocks showing traces of life are less than 2 billion years old.
The oldest rocks showing traces of life are less than 2 billion years old.
True
The original cell from which all life has probably evolved may have been something like the bacteria of today.
The original cell from which all life has probably evolved may have been something like the bacteria of today.
True
Archaeologists study fossils to discover how life began.
Archaeologists study fossils to discover how life began.
True
Many scientists believe that life began in the sea.
Many scientists believe that life began in the sea.
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The early cells reproduced simply by dividing in two.
The early cells reproduced simply by dividing in two.
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Single cells became attached to one another after a long time.
Single cells became attached to one another after a long time.
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The neck and head are not connected to the trunk.
The neck and head are not connected to the trunk.
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The upper limbs are not attached to the trunk.
The upper limbs are not attached to the trunk.
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The lower limbs do not extend downwards from the trunk.
The lower limbs do not extend downwards from the trunk.
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