This printable crossword puzzle on the topic of Ecology & Evolution has 13 clues. Answers range from 5 to 18 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
a forest biome with many kinds of trees that lose their leaves each autumn.
Anything that controls the growth or survival of a population.
a sandy or rocky biome, with little precipitation and little plant life.
A characteristic that enables a living thing to survive in its environment.
a hot, humid biome near the equator, with much rainfall and a wide variety of life.
a relationship between two kinds of organisms that lasts over time.
a relationship between two kinds of organisms that benefits both.
a cool forest biome of conifers in the upper Northern Hemisphere.
a relationship in which one organism lives in or on another organism and benefits from that relationship while the other organism may be harmed by it.
Large, treeless plain in the arctic region, where the ground is frozen all year.
a relationship between two kinds of organisms that benefits one without harming the other.
one of Earth’s large ecosystem, with its own kind of climate, soil, plants and animals.
a biome where grasses, not trees, are the main plant life. Prairies are one kind of grassland region.