2007-03-02 15:33:07 · 5 answers · asked by Idonotknow 2 in Science & Mathematics ➔ Biology
All life cycles involve reproduction, because life can only be derived from previously existing life. Otherwise, lifecycles are so widely different among all living organisms that they have very little in common.
2007-03-02 15:41:10 · answer #1 · answered by pinkbeagle 4 · 0⤊ 0⤋
The struggle for existence. Weather you are a CEO of a fortune 500 company or a dung beetle. It's a battle simply just to exist.
2007-03-03 00:07:26 · answer #2 · answered by Goosefraba 2 · 0⤊ 0⤋
Roughly the same number of heartbeats.
Larger slow moving animals live longer than small animals with a higher metobolism.
2007-03-02 23:49:16 · answer #3 · answered by Randy G 7 · 0⤊ 0⤋
Eggs
2014-12-01 18:54:08 · answer #4 · answered by Anonymous · 0⤊ 0⤋
Birth and death?
2007-03-02 23:41:38 · answer #5 · answered by jom 4 · 0⤊ 0⤋