Final Exam biol 313 Questions and Correct
Answers/ Latest Update / Already Graded
Renewable materials from livestock
Ans: Wool, mohair, cashmere, milk, eggs, draft power, manure
for fertilizer or fuel.
How livestock serves as capital
Ans: Animals can be bought/sold like financial assets, used for
breeding, provide ongoing products, and serve as insurance.
Natural stresses livestock adapt to
Ans: Climate, predators, disease, feed scarcity.
Artificial stresses livestock adapt to
Ans: Confinement, handling, transportation, selective
breeding, human-imposed environmental conditions.
Nomadism
Ans: Moving livestock continuously in search of grazing.
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Transhumance
Ans: Seasonal movement of livestock between mountain and
lowland pastures.
Paddy rice farming
Ans: Rice production using flooded fields; livestock used for
draft.
Peasant grain and livestock farming
Ans: Small family farms producing both crops and animals.
Ranching
Ans: Large-scale extensive grazing of livestock (mostly cattle).
Developed agriculture
Ans: Highly mechanized, large-scale, high productivity.
Subsistence agriculture
Ans: Small-scale, labor intensive, produces primarily for local
consumption.
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Nutrient with highest energy value
Ans: Fat/lipids have the highest energy per gram.
Monogastric
Ans: Simple single-chamber stomach.
Ruminant
Ans: Multi-chamber stomach (rumen, reticulum, omasum,
abomasum).
Peristalsis
Ans: Wave-like muscular contractions moving food.
Anaerobic fermentation
Ans: Microbial breakdown of feed without oxygen (in rumen).
Volatile Fatty Acid
Ans: Short-chain fatty acids (acetate, propionate, butyrate)
absorbed for energy.
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