4. Number the organisms from 1 (most abundant) to 8 (least abundant) __5__ Mammals __2_ Molluscs _4_ Roundworms __1_ Arthropods __3_ Flatworms. 5. What is biodiversity (click on the purple links for definitions): ____ The many different types of organisms that exist.
Factors that Decrease BUN. 1  Low-protein diet, malnutrition or starvation (R). 2  Impaired liver activity due to liver disease (R). 3  Genetic deficiency of urea cycle enzymes (R). 4  Higher IGF-1 and growth hormone. 5  Anabolic steroids, which decreases protein breakdown. 6  Overhydration, or drinking a lot of water. 7  Pregnancy (due to increased plasma volume) (R).
When bicarbonate levels are higher or lower than normal, it suggests that the body is having trouble maintaining its acid-base balance or that somone has upset their electrolyte balance, perhaps by losing or retaining fluid. Both of these imbalances may be due to a wide range of dysfunctions. Some of the causes of a low bicarbonate level include: 1  Addisonâs disease. 2  Chronic diarrhea. 3  Diabetic ketoacidosis. 4  Metabolic acidosis. 5  Kidney disease. 6  Ethylene glycol or methanol poisoning. 7  Salicylate (aspirin) overdose.