Which lake zone would be absent in a very shallow lake? a. benthic zone b. aphotic zone c. pelagic zone d. littoral zone e. limnetic zone
Animal Science: Study of biology of animals that humans control - Provide a useful product Products: food, clothing, etc. Byproducts: collagen, connective tissues, pharmaceuticals, cosmetics - Collagen: a protein used as a binder in food such as gelatin Pleasure: emotional ell being Work: Horses, d ogs, ox, donkeys, tc. Animal Models: use animals to help discover treatment for humans Average kcals/person/day worldwide: 2 ,884 cals - 2,370 ( 82%) p lant origin - 514 (18%) animal o rigin Average total grams of protein/person/day worldwide: 81.2 g - 49.1g ( 60%) p lant origin - 32.1g ( 40%