This printable crossword puzzle on the topic of Ecology & Evolution has 15 clues. Answers range from 7 to 23 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
The study of how organisms interact with each other and their environment
Organisms that use thermal energy generated by metabolism to maintain homeostatic body temperatures
Organisms that lack efficient internal mechanisms to regulate and maintain body temperatures
A diagram that shows the amount of energy that moves to one feeding level to another in a food web
Organisms that capture energy from physical or chemical sources in the environment
Organisms that capture energy present in carbon compounds produced by other organisms
Organisms of the same species in a particular area
All the organisms that inhabit a particular area; an assemblage of populations of different species living close enough together for potential interaction
The amount of energy expended by an animal over a specific amount of time
The pathway along which food energy is transferred from trophic level to trophic level, beginning within producers
A bunch of interconnected food chains
The name of the equation used to measure species diversity
An interaction between two species where both species benefit
An interaction where one species benefits but the other is not harmed or helped
An interaction where one species benefits at the harm of another