Comparative Anatomy Flashcards
A non-essential nutrient is one that…
The body can make enough of it if it is lacking it.
A nutrient that must be obtained in the diet is a…
Essential nutrient
A nutrient not really required but provided in large quantities in the diet
Macronutrient
A nutrient obtained in relatively in small amounts in diet
Micronutrient
The 3 dietary categories are:
Herbivores, carnivores, omnivores
Pre gastric fermenters can be
Ruminants and monogastrics
In ruminants, what is food digested by?
Microorganisms
What structural carbohydrates are used by ruminants?
Cellulose and hemicellulose
Non-ruminants take advantage of what type of stomach?
Sacculated
Post-gastric fermenters can be
Colonic or cecal
Cecal fermenters use cellulose so they ferment where?
After stomach
Colonic fermenters have what type of stomach?
Unsacculated.
3 types of adaptations to feed sources
Pretension, gastric capacity, and intestinal length
Are pregastric fermenters more efficient?
Yes