This printable crossword puzzle on the topic of Ecology & Evolution has 20 clues. Answers range from 3 to 20 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Branch of science concerned with classification of organisms
Agent that causes disease
Chemical that kills or slows the growth of bacteria
Rapid outbreak of a disease that affects many people
Infectious pathway of a virus in which host cells are not immediately destroyed
Posion released by an organism
Commonly epidemic disease caused by raipudly mutating virus
Taxonomic category below class that includes one or more families
Taxonomic category below order that includes one or more genus
Taxonomic category below family that includes one or more species
Taxonomic category that includes individuals able to reproduce fertile offspring together
The evolutionary history for a group of species
Infectious particle made only of a strand of DNA or RNA surrounded by a protein coat
Scientific naming of species whereby each organism receives a genus and species name
Virus that weakens the immune system by reproducing in and destroying T cells and causes AIDS
Substance that stimulates an immune response producing acquired immunity without illness or infections
A body, organ or system condition resulting from various causes such as infection, genetic defect or environmental stress
Taxonomic category below phylum that includes a large group of organisms that share a variety of fundamental characteristics
Second highest taxonomic category grouping together all forms of life having certain fundamental characteristics in common
Taxonomic category below kingdom that includes a large group of organisms that share one or more fundamental characteristics