which of the following is a characteristic of all cycles of life?

a. they work independently of one another

b. they have repeating steps

c. they start at the same point

d. they run for the same amount of time

Option C, They start at the same point

Explanation:

All the life are different from each other expect one thing and i.e the beginning and end of it.

All the life cycles have the same starting point i.e birth and same ending point i.e death.

All living organisms on earth be it plant, animal or human being have a different and specific life cycle other than the their beginning and end stages. Other important stages are growth and reproduction.

Hence, option C is correct.

b. lithosphere, asthenosphere, mesosphere   is the answer most likely