This printable crossword puzzle on the topic of Ecology & Evolution has 15 clues. Answers range from 7 to 16 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
moving into a population
living and nonliving things all in one area
the study of how living things interact with each other and their environment
known as "nature's recyclers"
they obtain energy for feeding on other organisms
when organisms compete for the limited number of biotic and abiotic factors
all the different populations that live together in an area
a symbiotic relationship in which one organism benefits and the other is unaffected
first species to populate an area
the largest population that an area can support
it only likes meat
the part of the earth, including air, land, surface rocks, and water, within which life occurs
a symbiotic relationship in which one organism benefits while the other is harmed
an organism that lives on orin a host and causes harm
it like plants and animals to eat