capillaries
it depends on what organism
food and water
yes some of them do depending on there size
small fish and other small types of organisums
Yes, it's the only way you can get hybrids in organisums
Unicellular organisms obtain nutrients by absorbing them.
decomposers break down other organisums until they are dirt!
when two organisums working togetter in helping each other out for the long run.
Convergent Evolution
the prosses in whichdifferent types of living organisums are thought to have developed and diversified from earlier forms during the time before we existed
the new bud simply detaches from the parent body