Answer by Chuckbonner. Confidence votes 1.1K. Chordata is the phylum of animals that have a number of features in common, but most notably a notochord (which is called a spinal cord in humans because we have a backbone, a spine, through which it is routed).All the vertebrates (animals with a backbone) are grouped within this phylum.he chordata phylum is the highest phylum in the animal kingdom. Charachterized by a notochord, nerve, cord and gill slits; includes the urochordates, lancets, and vertebrates â¦ . Basically, the horse has a spinal chord, is a vertebrate. 3 people found this useful.
Columbia has a climate marked by sharp seasonal contrasts in temperature, falling between a humid continental and humid subtropical climate (KÃ¶ppen Dfa/Cfa, respectively), and is located in USDA Plant Hardiness Zone 6a.
The legal limit for Columbia water temperature is 68 degrees to protect salmon and steelhead in the mainstem of the river (itâs lower in tributaries and spawning grounds). Over the past two years, Columbia Riverkeepr volunteers found 70-degree water in much of the mainstem.