This printable crossword puzzle on the topic of Ecology & Evolution has 14 clues. Answers range from 4 to 15 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
The organism which the predator eats
Offspring of two different breeds or species
Natural environment in which an organism lives
Arrival of invasive species in a non-native ecosystem
Rattus norvegicus
End of organism/species
A plant or animal not native to a specific location
Feeding relationships whithin an ecological community
A species that normally lives and thrives in a particular ecosystem
Degree of variation of life
Act of protecting or preserving natural resources
Change in inheritable traits over successive generations
An organism that eats another organism
Poisoned bait used to eliminate invasive species