This printable crossword puzzle on the topic of Ecology & Evolution has 26 clues. Answers range from 5 to 16 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Living (predators, prey, and bacteria)
Non-living factors (climate, pollution, and water)
Organisms that can make own food (plants)
Organisms that cannot make their own food (cow, or horses)
A large group of ecosystems that share the same climate and have similar types of communities
All the living organisms in a given area as well as their non-lining physical environment
The study of the interactions of living organisms with one another and their physical environment
Includes all the individuals of a species that live in one place at one time
In ideal conditions, all organisms could live long enough to reproduce, could cause exponential growth
(environmental resistance) factors that restrict the number, distribution, or reproduction of a population
The population size that an environment can successfully sustain
An interaction when one species consumes another (predator, prey)
An interaction among living things where two populations compete for the same resource and territory
An interaction among living things where one species benefits from the expense of another
An interaction among living things where both species benefits
An interaction among two living things where one species benefits from the relationship and the other is not affected
A group pf interacting populations that live in the same geographic area at the same time
The relatively thin layer of Earth and its atmosphere that supports life
Animals that only consume plants (10% energy is retained)
Animals that eat other animals (10% energy is stored)
Animals that eat both plants and animals (10% energy is consumed)
Organisms that feed on all organic "dead stuff" (fungi, worms, bacteria)
Shows how each living thing gets its food. Always starts with plant life and ends with an animal
Autotrophs (producers), Heterotrophs (primary, secondary, and tertiary consumers)
Interconnected food chains
The interaction between two different organisms living in close association