A primatologist observes a troop of 15 chimpanzees foraging for fruit. Every adult chimpanzee collects 8 fruits per hour, while juveniles collect 5 fruits per hour. If there are 9 adults and 6 juveniles, and they forage for 4 hours, how many total fruits do they collect? - Parker Core Knowledge
A primatologist observes a troop of 15 chimpanzees foraging for fruit. Every adult chimpanzee collects 8 fruits per hour, while juveniles collect 5 fruits per hour. If there are 9 adults and 6 juveniles, and they forage for 4 hours, how many total fruits do they collect?
A primatologist observes a troop of 15 chimpanzees foraging for fruit. Every adult chimpanzee collects 8 fruits per hour, while juveniles collect 5 fruits per hour. If there are 9 adults and 6 juveniles, and they forage for 4 hours, how many total fruits do they collect?
Curious about the quiet efficiency of wild chimpanzees? A recent field study tracking a troop of 15 long-ventured individuals reveals surprising numbers—not just about fruit collection, but about teamwork, age-based roles, and the data shaping how we understand primate behavior. This insightful observation—how adults and juveniles contribute during a four-hour fruit-gathering session—draws growing interest among nature enthusiasts, educators, and researchers alike, especially as interest in animal cognition and sustainable ecosystems expands.
Understanding the Context
Why Chimpanzee Foraging Patterns Matter Now
The scene unfolds in dense, sun-dappled forests across central Africa—habitats where chimpanzees rely on seasonal fruit supplies to sustain their energy. As global attention turns toward biodiversity and primate survival, studies tracking actual foraging efficiency offer valuable data. These details help scientists model resource use, social structure, and cognitive skills without disrupting natural behavior. In a moment of rising environmental awareness, understanding how teams of juveniles and adults collaborate to gather sustenance speaks to broader themes of cooperation, learning, and adaptability.
The Calculation: A Simple but Insightful Breakdown
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Key Insights
In this observation, 9 adult chimpanzees collect 8 fruits each hour. Over 4 hours, each adult gathers:
8 fruits/hour × 4 hours = 32 fruits per adult
Total adult collection: 32 fruits × 9 adults = 288 fruits
Alongside, 6 juvenile chimpanzees collect 5 fruits per hour:
5 fruits/hour × 4 hours = 20 fruits per juvenile
Total juvenile collection: 20 fruits × 6 juveniles = 120 fruits
Combined total fruits collected:
288 + 120 = 408 fruits
