July 2009, Southern Ontario, Canada. I built this bluebird house and placed it approx. 200 feet from the other nesting box where tree swallows had their nest. 1  Pets & Animals. 2  Standard YouTube License.
CLATHRATE Dictionary entry overview: What does clathrate mean? â¢ CLATHRATE (adjective) The adjective CLATHRATE has 2 senses: 1. having a latticelike structure pierced with holes or windows 2. designating or relating to a compound in which one component is physically enclosed within the crystal structure of another Familiarity information: CLATHRATE used as an adjective is rare.
A leaf is an organ of a vascular plant and is the principal lateral appendage of the stem. The leaves and stem together form the shoot.Foliage is a mass noun that refers to leaves collectively. Typically a leaf is a thin, dorsiventrally flattened organ, borne above ground and specialized for photosynthesis.n ferns and most flowering plants, the mesophyll is divided into two layers: 1  An upper palisade layer of vertically elongated cells, one to two cells thick, directly beneath the adaxial epidermis, with intercellular air spaces between them. 2  Beneath the palisade layer is the spongy layer.