Definition: A landform that extends above the surrounding terrain in a limited area. A mountain is generally steeper than a hill, but there is no universally accepted standard definition for the height of a mountain or a hill although a mountain usually has an identifiable summit and a local relief of more than 300m.
Definition: In the haploid (gametophyte) lifestage of a moss or fern, the antheridia (male) and archegonia (female) reproductive organs occur on different individual plants
