This printable crossword puzzle on the topic of Ecology & Evolution has 20 clues. Answers range from 5 to 20 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Day-to-day conditions of the atmosphere, including temperature, precipitation, and other factors.
The process in which certain gases trap sunlight energy in Earth’s atmosphere as heat
Average conditions over long periods
The ability to survive and reproduce under a range of environmental circumstances.
The general place where an organism lives
Full range of physical and biological conditions in which an organism lives and the way in which the organism uses those conditions.
Any necessity of life, such as water, nutrients, light, food, or space
Environmental conditions within a small area that differs significantly from the climate of the surrounding area.
Interaction in which one organism (the predator) captures and feeds on another organism (the prey).
Interaction in which one animal (the herbivore) feeds on producers (such as plants).
Relationship in which two species live close together.
Symbiotic relationship in which both species benefit from the relationship.
Series of gradual changes that occur in a community following a disturbance.
First species to populate an area during succession.
Dense covering formed by the leafy tops of tall rain forest trees.
Layer in a rain forest found underneath the canopy formed by shorter trees and vines.
Term used to refer to a type of tree that sheds its leaves during a particular season each year.
Layer of permanently frozen subsoil found in the tundra.
Organisms that live attached to or near the bottom of lakes, streams, or oceans.
Ecosystem in which water either covers the soil or is present at or near the surface for at least part of the year.