This printable crossword puzzle on the topic of Ecology & Evolution has 20 clues. Answers range from 3 to 20 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Any characteristic that helps a organism survive in its natural habitat
A stick_______ uses protective resemblance
Adjustments to internal or external physical structures (2 words)
Brown________ go into hibernation in the winter
A seasonal movement of animals to find food
A period of inactivity during cold weather
An orchid's__________ store water for the orchid
A fish's natural __________ is in water
Creatures that are active at night are __________.
__________ fish fill up with air or water when threatened
Any coloring, shape, or pattern that helps an organism blend in with its environment
___________ coloration is a type of camouflage in which the color of an animal helps it blend in with its background
Protective ___________ is when a creature matches its background
An adjustment to an animal's behavior (2 words)
Roses and cactuses have _________ to protect them
Owls have large_____ that help them see in the dark
The pipefish resembles sea ______ in its environment
The King snake looks like the ______ snake so predators avoid the king snake
On an orchid, aerial ______ absorb water from the air
Some frogs/toads blend in with their environment by looking like ___