- __ is the process of determining the status and tracking changes in living organism and the ecological complex a. Biodiversity conservation b. Biodiversity management c. biodiversity monitoring d. biodiversity index
- 8 of Which toxicological effect involves one substance increasing the toxicity of another? a. Additive effect b. Synergistic effect c. Potentiation d. Antagonistic effect
- 6 7 8 9 10 By the time food leaves the stomach it is: A a creamy paste called chyme. B rolled into a bolus. C ready to be mixed with pepsin for protein digestion. D None of the above. The muscles of the esophagus squeeze the food downward using the process of: A gravity B peristalsis C rugae D chyme When the stomach is empty, it folds up into wrinkles called: A shincters B bolus C rugae D chyme Gastric juices in the stomach: A kill bacteria. B work together to digest food. C include hydrochloric acid. D All of the above. The stomach: A does chemical digestion only. B does mechanical digestion only. C does both chemical and mechanical digestion. D starts the chemical digestion of starchy foods.
- 28. The pulmonary artery A. Carries oxygenated blood to the heart from the lungs B. Carries deoxygenated blood to the heart from the lungs C. Carries oxygenated blood away from the heart to the lungs D. Carries deoxygenated blood away from the heart to the lungs
- 44. Selection for a single trait at a time is A A. Tandem selection . B) Mass selection C . Reciprocal recurrent selection D. Independen culling 45. Selection for two or more traits at a time but with a set minimum level for each tr A. Tandem selection B. Mass selection (C) Independent culling D. Progeny selection