Choice board Crossword
This printable crossword puzzle on the topic of Ecology & Evolution has 10 clues. Answers range from 7 to 20 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
How animals adapt over time
Remains of animal skeleton
When humans selectively breed animals for certain phenotypes
Something that helps an animal survive
Being physically fit and healthy
When the stronger animals survive and the weaker ones die out
Branch of biology that deals with geographic distribution of plants and animals
Similar structures that evolved from one common ancestor
Evolved from two different organisms but still have same purpose
Structure that no longer has a purpose in an organism
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