This printable crossword puzzle on the topic of Ecology & Evolution has 10 clues. Answers range from 4 to 13 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
the smallest unit that can live on its own
an organism that is able to feed itself
an organism that feeds off of other plants or animals
animals that have a backbone in their body
animals that do not have a backbone in their body
largest phylum in the animal kingdom
contains weakened or inactive parts of a particular organism that triggers an immune response
the ability to resist the infection again
When you get a virus, your cells make proteins called _______ that protect their cells from infection
a virus that infects bacteria