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Classification Crossword Puzzle

Horizontales
The union of 2 bacteria or 2 unicellular organisms for genetic material
An animal that is dependent on external sources of body heat
The action of classifying something accordingly to shared qualities or characteristics
Dependent on/or capable of the internal generation of heat
An organism deriving its nutritional requirements from complex organic substances
Single-celled organisms that have no distinct membrane or nucleus
Animal that has a backbone
Something that decomposes organic material
The center most important part of an object, forming its continuous growth
Verticales
Organism with more than one cell and has membranes and nucleus
Identifying different organisms
Anything consisting of more than one cell
Animal that has NO backbone
Anything that one cell
The tendency toward a relatively stable between interdependent elements