I presume you are referring to a part of an organ where such things as blood vessels and nerves enter. The answer is no, because many living things do not have the same circulatory and nervous systems that we do. If you mean the attachment scar on a seed, then again no, as most living things are not seeds.
all living things contain carbon and hydrogen
Yes all living things contain calcium
Carbon
all living things are made up of cells.
Nonliving THINGS do not contain cells, however ALL THINGS, whether living or non-living, do contain atoms.
carbon
yup
Yes. All living things contain carbon.
Yes. All living things contain nitrogen.
Puppies.(no, really. All living things contain carbon.)Diamonds are something. And graphite. Yeah. I told you. What?
Yes, all living things contain carbon.
If you mean the 8 things all living things have in common, they are as follows: 1) All living things are highly organized and contain many complex chemical substances. 2) All living things contain one or more cells. 3) All living things use energy. 4) Living things have a definite form and have a limited size. 5) Living things grow. 6) Living things respond to changes in the environment. 7) Living things can reproduce. 8) Living things eventually die.