This printable crossword puzzle on the topic of Ecology & Evolution has 10 clues. Answers range from 6 to 10 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Natural selection is also known as survival of the ____
Change over time
Process by which evolution occurs; natural ____
Had different shaped beaks according to the island they were from
A characteristic that helps an organism survive
Feature that no longer has a purpose in the current form of the species
Formation of new species
Structures that are similar
Well supported testable explanation
This person proposed the theory of evolution by natural selection