1
Organisms that need to feed on organic substances
2
They are the cell\'s power producers. They convert energy into forms that are usable by the cell.
4
Organisms that eat decomposing organic matter
5
They are macromolecules. They are constructed from one or more unbranched chains of amino acids and form muscles, hair, etc.
7
When a species of animal or plant does not exist any more
10
Group of similar cells that carry out a specific function
11
It is the smallest part of a living thing that can exist independently
