This printable crossword puzzle on the topic of Ecology & Evolution has 21 clues. Answers range from 4 to 15 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
the amount of biological or living diversity per unit area.
the ability to keep in existence or maintain
assignment of objects or people to categories on the basis of shared characteristics
a key for the identification of an organism
a group of ecosystems that share similar climates and typical organisms
a mixture of various decaying organic substances, as dead leaves or manure
anything that has mass and takes up space
atoms important to living things get recycled back to the environment over and over again
a small living plant of animal seen only by a microscope
a series of steps in which organisms transfer energy by eating and being eaten
diagram that shows the feeding relationships between organisms in an ecosystem
a diagram that shows the amount of energy that moves from one feeding level to another in a food web
an organism that feeds directly on other organisms in order to survive
an organism that is killed and eaten by another organism
an animal that eats only plants
a consumer that eats both plants and animals
a consumer that eats only animals
a carnivore that feeds on the bodies of dead organisms
an organism that breaks down wastes and dead organisms
an organism that eats other organisms
an organism that can make its own food