ASU BIO 182 Exam 3 Questions With All
Correct Answers Updated
1. What is a resource? Any substance an organism requires to survive
or re- produce. Ex) food, water, mates shelter,
nutrients, oxy- gen/co2
2. What factors determine Energy content, encounter rate, handling time,
prey choice?
search cost
3. Profitability (energy / handling time)
animals = high profitability
fruits/veggies = low
profitability
4. Why not grow to largest • Many die before having chance to
popula- tion size possible? reproduce
• All else being equal, early reproducers
leave more decedents. Earlier you reproduce, the
earlier your chil- dren can reproduce
5. Energy budget Maintenance, production, activity
6. Why is reproduction costly? • Energy for mating, gametes, and parental
care
• Exposure to predators & impaired locomotion
• Missed opportunity to feed & thermoregulate
7. population group of species living in a given area
8. Sampling count individuals in a few small areas &
extrapolate for the entire area
9. Mark & recapture Capture, mark & release individuals. Resample &
record number of marked and unmarked
individuals
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6
, ASU BIO 182 Exam 3 Questions With All
Correct Answers Updated
10. Why is human population growing Resouces, medicine, sanitation, technology
exponentially?
11. Competitive exclusion principlespecies competing for identical resources cannot
exist
2/
6
Correct Answers Updated
1. What is a resource? Any substance an organism requires to survive
or re- produce. Ex) food, water, mates shelter,
nutrients, oxy- gen/co2
2. What factors determine Energy content, encounter rate, handling time,
prey choice?
search cost
3. Profitability (energy / handling time)
animals = high profitability
fruits/veggies = low
profitability
4. Why not grow to largest • Many die before having chance to
popula- tion size possible? reproduce
• All else being equal, early reproducers
leave more decedents. Earlier you reproduce, the
earlier your chil- dren can reproduce
5. Energy budget Maintenance, production, activity
6. Why is reproduction costly? • Energy for mating, gametes, and parental
care
• Exposure to predators & impaired locomotion
• Missed opportunity to feed & thermoregulate
7. population group of species living in a given area
8. Sampling count individuals in a few small areas &
extrapolate for the entire area
9. Mark & recapture Capture, mark & release individuals. Resample &
record number of marked and unmarked
individuals
1/
6
, ASU BIO 182 Exam 3 Questions With All
Correct Answers Updated
10. Why is human population growing Resouces, medicine, sanitation, technology
exponentially?
11. Competitive exclusion principlespecies competing for identical resources cannot
exist
2/
6
