This printable crossword puzzle on the topic of Ecology & Evolution has 20 clues. Answers range from 6 to 19 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
not consistent or having a fixed pattern liable to change
a variable whose variation does not depend on that of another.
a variable (often denoted by y ) whose value depends on that of another.
a person or thing situated away or detached from the main body or system
difference between a measurement and the true value
the regions of the surface and atmosphere of the earth
non-living
living organisms
all the inhabitants of a particular place.
a group of people living in the same place
teraction between two different organisms living in close physical association
the doctrine that mutual dependence is necessary to social well-being
an association between two organisms in which one benefits and the other derives neither benefit nor harm.
the practice of living as a parasite on or with another animal or organism
a biological community of interacting organisms and their physical environment.
the act of leaving one's own country to settle permanently in another; moving abroad
the action of coming to live permanently in a foreign country.
an organism that is not native to the place
green plants and some other organisms use sunlight to synthesize
process most living things undergo to use food energy