This biology question covers important biological concepts and processes. The step-by-step explanation below helps you understand the underlying mechanisms and reasoning.

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8) Roughage is necessary for ruminant animals for several reasons: • It stimulates rumination (chewing the cud), which increases saliva production, buffering the rumen pH. • It maintains the health and proper functioning of the rumen wall. • It provides the bulk needed for proper digestion and gut motility. • It is fermented by microbes in the rumen to produce volatile fatty acids (VFAs), which are the primary energy source for ruminants.
9) i) Fishing: The activity of catching fish, either for food, sport, or commercial purposes. ii) Crutching: The practice of shearing wool from around the tail and between the hind legs of sheep. This is done to prevent flystrike and improve hygiene, especially before lambing.
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Welcome back Rufas — missed you this week.
This biology question covers important biological concepts and processes. The step-by-step explanation below helps you understand the underlying mechanisms and reasoning.