Määritelmä: A unicellular organism that features both flagella and slender, rigid pseudopodia (resembling those of heliozoan amoeba), either simultaneously or during different phases of the life cycle.
Määritelmä: A grassland biome is a terrestrial biome which includes, across its entire spatial extent, an unbroken layer of grasses (Gramineae), sedges (Cyperaceae) or rushes (Juncaceae).
Määritelmä: An interaction relationship involving a predation process, where the subject kills the target in order to eat it or to feed to siblings, offspring or group members
Määritelmä: A group of species that exploit the same food resources, and/or use the same feeding or foraging methods. http://en.wikipedia.org/wiki/Guild_(ecology)
Määritelmä: A heterotrophic organism that feeds by ingesting particulate organic material (living or dead organisms), which are then digested within the body.
