This printable crossword puzzle on the topic of Ecology & Evolution has 20 clues. Answers range from 3 to 19 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Inherited trait that is selected for over time because it allows organisms to better survive in their environment.
A variety of life within an area.
Scientific study of all forms of life.
All organisms and the part of earth where they exist.
Basic unit of life.
Condition that is controlled so that it does not change during an experiment.
Observations and measurements recorded during an experiment.
Experimental data collected through observation and measurement.
Molecule that stores all genetic information and all organisms.
Collection of all organisms and non-living things such as climate, soil, water, and rocks in an area.
Change in species over time; process of biological change by which descendants come to differ from their ancestors.
Regulation and maintenance of constant internal conditions in an organism.
Proposed explanation or answer to a scientific question.
Condition or factor that is manipulated by a scientist during an experiment.
All chemical processes that synthesis or break down materials within an organism.
Any individual living thing.
Information about qualities; information that can't actually be measured.
Denoting or expressible as quantity, relating to the proportionate quantities or to the amount of the constituents of a compound.
Group of organisms so similar to one another that they can breed and produce fertile offspring.
Proposed explanation for a wide variety of observations and experimental results.