4.) Ocean waters are not a uniform temperature from the surface to the ocean floor, and the world's currents are not simple circles going round and round, but from a simplistic standpoint the surface water off the U.S. East Coast is a lot warmer than the West Coast, which is the primary reasons hurricanes hit Florida
5.) The Hawaiian Islands were formed by such a hot spot occurring in the middle of the Pacific Plate. While the hot spot itself is fixed, the plate is moving. So, as the plate moved over the hot spot, the string of islands that make up the Hawaiian Island chain were formed.
At some point in their life cycle, all chordates have a postanal tail, __Notochord ____, hollow nerve cord, and ___Pharyngeal slits___.
<h3>Chordates </h3>
Chordates are animals belonging to the phylum chordata they include vertebrates, lancelets and tunicates of which vertebrates are the most common. As they develop throughout their life time they posses certain characteristics at some point and they are;
- Postanal tail
- Notochord
- hollow nerve cord
- Pharyngeal slits
Hence we can conclude that At some point in their life cycle, all chordates have a postanal tail, __Notochord ____, hollow nerve cord, and ___Pharyngeal slits___.
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Having homologous chromosomes indicates that the organism is a DIPLOID SPECIE.
A homologous chromosome refers to a pair of chromosomes which originate from each parent. Homologous chromosomes posses the same length, banding patterns, amount of genes, location of genes and location of centromeres. However the genes in the homologous chromosomes may or may not be the same.