Looking for online definition of BCNA or what BCNA stands for? BCNA is listed in the World's largest and most authoritative dictionary database of abbreviations and acronyms BCNA - What does BCNA stand for? The Free Dictionary
Best Answer: Xanclomys: a small mammal from the Paleocene of North America. Xanthareel: yellow eel. Xantis: a yak. Xantus: a bird. Xantus murrelet: a small seabird found in the California Current system in the Pacific Ocean.Xantusiidae: family of night lizards.nimals beginning with the letter X: Xanclomys: a small mammal from the Paleocene of North America. Xanthareel: yellow eel. Xantis: a yak. Xantus: a bird. Xantus murrelet: a small seabird found in the California Current system in the Pacific Ocean. Xantusiidae: family of night lizards. Xeme: an artic fork-tailed gull.
In the abdomen, the first five segments each have a pair of swimmerets, which create water currents and function in reproduction. The sixth segment contains a modified pair of uropods. In the middle of the uropods is a structure called the telson, which bears the anus.. Turn the crayfish with its DORSAL side upward, and locate the rostrum, which is the pointed extension of the carapace at the head of the animal shown in the diagram above. Beneath the rostrum locate the two eyes. Notice that each eye is at the end of a stalk. 4. Locate the five pairs of appendages on the head region.