If you were to create a planet capable of supporting life forms similar to those on earth, the necessary elements to include would be :

a.) water
b.) co2
c.) hydrogen
d.) o
e.) c6h12o6
f.) carbon

Eristics do scientists use to distinguish between organisms in different kingdoms

What is an animal that lives by preying on other animals

How is the male reproductive system different from other body systems? it isn’t necessary to vital signs. it monitors other body systems, and adjusts if necessary. it transports items from one system to another. it is the only system that produces hormones in the male.