BIO 182 LAB FINAL QUESTIONS & ANSWERS RATED 100% CORRECT!!

Agnatha characteristics - Answer-jawless fish Amphibia characteristics - Answer--moist skin - gas exchange through skin and lungs -metamorphosis Arachnid (tarantula) - Answer-Arthropoda Ascaris summ (pig roundworm) - Answer-Nematode Aves characteristics - Answer-birds - feathers -waterproof skin - hollow bones -endothermic Catfish - Answer-Actinopterygii Cephalochordata characteristics - Answer--retains all characteristics in adults Lancelets Chiton - Answer-Mollusca Chondrichthyes characteristics - Answer--Cartilaginous skeleton - sharks and rayscirculatory system of fetal pig - Answer-Heart: The muscular pump of the circulatory system that moves blood throughout the body. Compare the ability of a food chain and a food web to describe the trophic interactions between organisms in an ecosystem. - Answer-Food chain shows only one organism at each tropic level. Food web can show many different organisms at different tropic levels. Food web are better representations of reality because many organisms may consume the same organism or many others Contrast the anatomical structure of the human versus porcine lung, liver, colon, and uterus. - AnswerLung- humans who have three lobes on one side and two on the other, the right lung of a pig has four lobes and the left lung is divided into three. Liver - the human liver has four lobes The fetal pig liver has five lobes colon- pig has a spiral colon unlike humans Uterus- pig uterus has two large horns in addition to the body. corals and sea fans (anemones) - Answer-Cnidaria crayfish - Answer-Arthropoda digestive system of fetal pig - Answer-Stomach: The structure in the digestive tract where foodstuffs are digested or prepared for nutrient availability. Esophagus: The tubular structure in the digestive tract that connects the pharynx to the stomach. Anus: The external opening of the digestive tract where waste material exits the bod