Integrating Concepts in Biology

PowerPoint Slides for Chapter 24:Homeostasis at the Population Level

byA. Malcolm Campbell, Laurie J. Heyer, and

Chris Paradise

A peregrine falcon, Falco peregrines

Figure UN24.1

Frequency map of peppered moth color morphs and development of industry during the 18th century

Figure 24.1

Percentages of peppered moths deemed conspicuous by researchers in different forests

Figure 24.2

Results of studies of peppered moths in two forests

Figure 24.3

Differences in characteristics between killifish populations

Figure 24.4

Cases of phenotypic change in traits caused by human predation

Table 24.1

 # of cases of phenotypic

change

total # of cases

% of cases

average change in variable

morphological 282 297 94.9 18.3 + 13.7

reproductive 173 178 97.2 24.9 + 22.3

Changes in phenotypes affected by humans as predators, other human interference, or natural

environmental changes

Figure 24.5

Effects of nutrient level on Johnson grass

Figure 24.6

Effects of nutrient level on sorghum

Figure 24.7

Concentration of three nutrients in Johnson grass and sorghum

Figure 24.8

The marsh pond snail, Stagnicola elodes and the tadpole physa, Physella gyrina

Figure 24.9

Slopes of growth rates of two snails fed diets containing different amounts of protein

Table 24.2

speciesprotein content in diet

shell growth rate (µm/day)

body wet mass growth rate (mg/day)

marsh pondsnail high 27.8 1.82

  medium 23.3 2.14

  low 14.4 1.41

tadpole physa high 28.1 1.11

  medium 18.2 0.86

  low 3.8 0.30

Reproduction in snails fed

different protein

content diets

Figure 24.10

Consumption, assimilation and allocation in two snails fed different protein content diets

Figure 24.11

Japan's population age structure for 2000 and projected for 2050

Figure ELSI 24.1

Damselfish and the effects of predators on different densities of yellowtail damselfish populations

Figure 24.12

Proportion of damselfish lost during daylight feeding and nighttime sheltering

Figure 24.13

Analysis of vulnerable positions and effect of density on proportion of damselfish in vulnerable positions

Figure 24.14

Annual changes in female European rabbits densities and the proportion of one-year-olds

Figure 24.15

Relationships between density of female European rabbits and reproductive parameters

Figure 24.16

Age and density-dependent reproductive rates of European rabbits

Figure 24.17

Descriptive statistics and Clark-Evans statistics for a jack pine forest

Table 24.3

population density (#/m2)

mean NND (m) CE probability

all trees, living, dead, & stumps 0.55 0.554 1.567 0.117

living trees 0.18 1.107 5.56 <0.0001

dead trees 0.37 0.633 -1.898 0.942

White wallrocket reproduction parameters as functions of nearest neighbor distance

Figure 24.18

American kestrel and nestbox with young kestrel peeking out

Figure 24.19

Concentrations of chlorinated hydrocarbons in eggs from a wild population of kestrels

Table 24.4

 compound

year

1969 1970 1971 1972

DDE 34.6 + 28.1 (5)

41.9 + 25.8 (22)

33.2 + 16.4 (6)

36.8 + 8.37 (5)

DDT nd 0.87 + 1.05 (5) nd nd

DDD nd 0.26 + 0.57 (5) nd nd

Dieldrin 0.05 + 0 (1) 2.70 + 4.19 (5)

0.15 + 0.22 (7) nd

PCBs nd 37.0 + 56.0 (5) nd nd

Eggshell thickness in natural and captive kestrel populations

Figure 24.20

Relationship between dietary DDE fed to American kestrels and DDE in eggs and eggshell thickness

Figure 24.21

Relationship between concentration of DDE in eggs and % decrease in eggshell thickness in raptors

Figure 24.22