Living Things in the Biosphere Crossword
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
 
 
Down: 1) Any reaction to a stimulus2) Two-part scientific name that indicates an organism's genus and species.3) Any change or signal in the environment that can make an organism react.4) Single-celled organisms that lack a nucleus5) Scientific study of how organisms are classified.6) Substance used in vaccination that consists of weakened pathogens that help to trigger the body to produce chemicals to destroy the pathogens. 7) A group of similar, closely-related organisms.8) The maintenance of stable internal conditions.9) The broadest level in classifying organisms.13) Eukaryotic organisms that cannot be classified neatly as being animal, plant or fungi.15) Basic unit of structure and function in living things.16) A tiny nonliving particle that reproduces inside a living cell. Across: 10) Organisms consisting of many cells.11) Any living thing.12) Organisms that benefit from living with, on, or in a host. 14) A feature that helps to identify something.15) Process of grouping things based on their similarities.17) One celled organism18) Group of similar organisms that can mate with each other and produce offspring. 19) An organism that provides a source of energy or a suitable environment for a parasite to live.
 

 

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