yes
No, not of all living creatures. She is the ancestor of all humans, however.
living organisms
All male reproductive systems are essentialy the same. male cats have a penis and testicles
All living creatures eat
All i know of is vultures
Adam.
All creatures have circulatory systems
Excretory and reproductive, as both metabolic wastes and sperm/eggs exit there
yes! living systems are more complex than non-living systems
No, water is a chemical in which most of all living creatures want water. If there is water there in living creatures. Water is a thing in which we, Humans need it.
All living things on Earth contain carbon in that most of the molecules in us include carbon atoms. Dinosaurs were living creatures and are like all living creatures today in this respect.
All coral are living creatures.