Exam (elaborations)
ASU BIO 182 EXAM 3 QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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ASU BIO 182 EXAM 3 QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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ASU BIO 182 EXAM 3 QUESTIONS ANDANSWERS WITH SOLUTIONS 2024
What is a resource? - ANSWER Any substance an organism requires to survive or reproduce. Ex) food,
water, mates shelter, nutrients, oxygen/co2
What factors determine prey choice? - ANSWER Energy content, encounter rate, handling time, search
cost
Profitability - ANSWER (energy / handling time)
animals = high profitability
fruits/veggies = low profitability
Why not grow to largest population size possible? - ANSWER • Many die before having chance to
reproduce
• All else being equal, early reproducers leave more decedents. Earlier you reproduce, the earlier your
children can reproduce
Energy budget - ANSWER Maintenance, production, activity
Why is reproduction costly? - ANSWER • Energy for mating, gametes, and parental care
• Exposure to predators & impaired locomotion
• Missed opportunity to feed & thermoregulate
population - ANSWER group of species living in a given area
Sampling - ANSWER count individuals in a few small areas & extrapolate for the entire area
Mark & recapture - ANSWER Capture, mark & release individuals. Resample & record number of marked
and unmarked individuals
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