التعريف: overall repetitive or reflective pattern in the body of one individual of this taxon. eg: bilateral symmetry, rotational symmetry, radial symmetry
التعريف: A habitat of rolling or flat terrain where grasses predominate. Typically, what is called a meadow has more biodiversity than a grassland as the former contains not only grasses but a significant variety of annual, biennial and perennial plants.
التعريف: The first post-fertilization life stage of many organisms. The developing organism is enclosed by a membrane and possibly a hard shell and is not yet motile. Followed by hatching and either larval or other juvenile life stages.
