This printable crossword puzzle on the topic of Ecology & Evolution has 12 clues. Answers range from 4 to 21 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Simple; no nucleus
Complex; nucleus
2 parents; offspring unique
1 parent; off spring clone
Produce own food; sunlight
Eat food; consumer
Maintaining an internal balance; breathing
Smallest unit of life
Living thing
Life comes from life
Life comes from non life
Classification system that gives each species 2 word name. Homo sapiens