ANIMAL NUTRITION AND DIGESTIVE SYSTEM Flashcards
All living organisms need ______ to survive
nutrients
the biological molecules necessary for animal function are
amino acids, lipid molecules, nucleotides, and simple sugars
One of the challenges in human nutrition is
maintaining a balance between food intake, storage, and energy expenditure
Animals whose primary food source is plant-based (plant eaters)
herbivores
fruit-eaters
frugivores
seed eaters
granivores
nectar feeders
nectivores
leaf eaters
folivores
animals that eat other animals (meat eaters)
carnivores
those that rely entirely on animal flesh to obtain their nutrients
Obligate carnivores
those that also eat non-animal food in addition to animal food (dogs)
Facultative carnivores
animals that eat both plant- and animal-derived food
omnivores