This printable crossword puzzle on the topic of Ecology & Evolution has 18 clues. Answers range from 7 to 19 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
, two different types of change in an environment
no soil
soil is left
first to colonize
not native to ecosystem
make food from the environment
make food without sunlight
eats others
convert energy into nutrients
eats producers
eats other animals
eats both plants and animals
decomposes organic material
levels of an ecosystem
organic matter used as fuel
series of organisms each dependent on the next as a source of food
diagram showing how each species depends on each other
an ecosystems largely depends on