Based on these graphs, and assuming head raises of European finches helps watch for predators but also has a trade-off with eating, select the statements that these graphs support. 1.8 12 10 1.6 8 1.4 ONN 1.2 4 2 0 1 2 3 4 5 6 Flock size Total head raises of entire flock per minute (a) 28 24 20 16 12 8 4 0 1 2 3 4 5 6 Flock size Individual head raises per minute O The larger the size of the flock, the smaller the fitness of each individual seed (seconds) As the flock size increases, individuals have less access to food Time to husk 1.0 - 0 1 2 3 4 56 Flock size As the flock size increases, individuals are able to eat more quickly O The graphs support the hypothesis that there is no tradeoff at the individual level between watching for predators and husking seeds When groups are larger, individuals can spend less time watching for predators, but as a group they have spend more. The graphs support the hypothesis that there is a tradeoff at the individual level between watching for predators and husking seeds the larger the size of the flock, there is a decrease in an individual's fitness Relyea, Ecology, 9e, © 2021 W. H. Freeman and Company

Human Anatomy & Physiology (11th Edition)
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Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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Based on these graphs, and assuming head raises of European finches helps watch for predators but
also has a trade-off with eating, select the statements that these graphs support.
Total head raises
of entire flock per minute
(a)
28
24
20
16
12
8
4
4 5
Flock size
0 1 2 3
6
Individual head raises per minute
(b)
12
10
8
N
T
0 1 2 3 4 5 6
Flock size
Time to husk a seed (seconds)
As the flock size increases, individuals have less access to food
1.8
1.6
1.4
1.2
1.0
1
C
01 2 3 4 5 6
Flock size
O The larger the size of the flock, the smaller the fitness of each individual
As the flock size increases, individuals are able to eat more quickly
The graphs support the hypothesis that there is no tradeoff at the individual level between watching for
predators and husking seeds
When groups are larger, individuals can spend less time watching for predators, but as a group they have
spend more.
The graphs support the hypothesis that there is a tradeoff at the individual level between watching for
predators and husking seeds
O the larger the size of the flock, there is a decrease in an individual's fitness
Relyea, Ecology, 9e, 2021 W. H. Freeman and Company
Transcribed Image Text:Based on these graphs, and assuming head raises of European finches helps watch for predators but also has a trade-off with eating, select the statements that these graphs support. Total head raises of entire flock per minute (a) 28 24 20 16 12 8 4 4 5 Flock size 0 1 2 3 6 Individual head raises per minute (b) 12 10 8 N T 0 1 2 3 4 5 6 Flock size Time to husk a seed (seconds) As the flock size increases, individuals have less access to food 1.8 1.6 1.4 1.2 1.0 1 C 01 2 3 4 5 6 Flock size O The larger the size of the flock, the smaller the fitness of each individual As the flock size increases, individuals are able to eat more quickly The graphs support the hypothesis that there is no tradeoff at the individual level between watching for predators and husking seeds When groups are larger, individuals can spend less time watching for predators, but as a group they have spend more. The graphs support the hypothesis that there is a tradeoff at the individual level between watching for predators and husking seeds O the larger the size of the flock, there is a decrease in an individual's fitness Relyea, Ecology, 9e, 2021 W. H. Freeman and Company
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