This printable crossword puzzle on the topic of Ecology & Evolution has 16 clues. Answers range from 6 to 15 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Some animals do this during the winter
Animals move acording to seasons
Adapts animals to winter
Beneath the snow pack
Above the snow
Within the snowpack
Colorless odorless gas
Water
Staying close together for warmth
Animals grouping together
Alters or obscures the appearance
Animals that preying upon other animals
Any organism capable of producing its own nourishment
Any organism requiring the intake of organic compounds
Shedding the leaves annually
Having green leaves throughout the entire year