Problem: Given the question: -  A man and woman mate - Embryo is C - Embryo grows and develops into a fetus inside the woman&#x27;s womb - The fetus is born - Begins to grow and develop through infancy and childhood - In the teenage years the human experiences puberty - Reaches sexual maturity - At 18 the human becomes an adult  What might be the last step of the process?
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The answer is:
Adult may procreate continuing the cycle.


Problem: Given the question: -  Networks of trees start forming - The trees die off - The dead material provides nutrients for more trees - The rising trees provide shelter - And more organisms begin to thrive  What might be the last step of the process?
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The answer is:
The ecosystem known as a forest is made.


Problem: Given the question: -  He air we breathe contains oxygen and other gases - Once in the lungs, oxygen is moved into the bloodstream and carried through your body - At each cell in your body, oxygen is exchanged for a waste gas called carbon dioxide - Your bloodstream then carries this waste gas back to the lungs where it is removed from the blood stream and then exhaled  What might be the last step of the process?
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The answer is:
