You recently observed a bird in nature that sometimes defends a territory. You want to understand when the bird is expec
Posted: Wed Jul 06, 2022 11:56 am
You recently observed a bird in nature that sometimes defends a territory. You want to understand when the bird is expected to defend a territory and when it is not. The bird spends 2 hours/day defending its territory. Using the data below determine:
1. Is it worth it for the bird to defend a territory if the abundance increases from 5 to 10? (2 pts.)
2. Is it worth it ford the bird to defend a territory if the abundance increases from 10 to 20? (2 pts.)
SHOW YOUR WORK
Foraging:
600 cal/h
Sitting:
200 cal/h
Territory defense:
900 cal/h
Abundance of insects (m2)
Time to get energy (h)
5
11
10
6
20
2
(territory defense cal/h x time spent) - (sitting cal/h x time spent)
(foraging cal/h x diff. in time spent) - (sitting cal/h x diff in. time spent)
1. Is it worth it for the bird to defend a territory if the abundance increases from 5 to 10? (2 pts.)
2. Is it worth it ford the bird to defend a territory if the abundance increases from 10 to 20? (2 pts.)
SHOW YOUR WORK
Foraging:
600 cal/h
Sitting:
200 cal/h
Territory defense:
900 cal/h
Abundance of insects (m2)
Time to get energy (h)
5
11
10
6
20
2
(territory defense cal/h x time spent) - (sitting cal/h x time spent)
(foraging cal/h x diff. in time spent) - (sitting cal/h x diff in. time spent)