Column A
1. 
Organisms, known as producers in the food chain; capable of making their own food (photosynthesis): 
Organisms, known as producers in the food chain; capable of making their own food (photosynthesis)
2. 
Second broadest taxonomic classification of organisms.
: 
Second broadest taxonomic classification of organisms.
3. 
Organisms made up of only one cell.: 
Organisms made up of only one cell.
4. 
A process or system of describing the ways in which organisms are grouped/classified according to similarities.
: 
A process or system of describing the ways in which organisms are grouped/classified according to similarities.
5. 
Cell that does NOT contain a nucleus.: 
Cell that does NOT contain a nucleus.
Column B
a. 
Unicellular
b. 
Prokaryotic
c. 
Kingdom
d. 
Taxonomy
e. 
Autotroph