1 of 20
Levels of CO2 will increase in the global atmosphere if
global levels of photosynthesis increase.
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we continue to rely on fossil fuels.
levels of cellular respiration on Earth are decreased.
we increase the number of plants on Earth.
2 of 20
Type I survivorship curves are typical of a species that exhibit
an intermediate number of offspring and an intermediate level of parental care.
few offspring and poor parental care.
few offspring and good parental care.
many offspring and good parental care.
3 of 20
4 of 20
What level of ecology is concerned with groups of individuals of different species?
5 of 20
Water-storing plants and deeply-rooted shrubs are plants that characterize
6 of 20
Opportunistic species typically
are very long-lived.
have a large number of offspring.
reach sexual maturity slowly.
7 of 20
What will be the approximate shape of the age-structure diagram of a rapidly increasing population?
An inverted pyramid
8 of 20
Which of the following lists only abiotic environmental factors?
Food, temperature, fire, wind
Soil minerals, oxygen level, light, predators
Food, parasites, predators, competitors
Wind, temperature, soil minerals, light
9 of 20
Which of the following would be most likely to have density-dependent effects on population growth?
10 of 20
What name is given to the open ocean?
11 of 20
Competition among individuals of the same species is _______ competition.
12 of 20
Which of these biomes is maintained by fire?
Temperate deciduous forest
13 of 20
The intentional release of a natural enemy to attack a pest population is called
sustainable resource management.
integrated pest management.
14 of 20
What are estuaries?
Regions where two rivers join
A freshwater biome
Regions where ocean water meets land
Regions where fresh water and salt water mix
15 of 20
To determine the density of a rabbit population, you would need to know the number of rabbits and
the factors that limit population growth.
their birth rate.
the area in which they live.
their pattern of dispersion.
16 of 20
The temperate zones
generally have a climate warmer than the tropics.
are relatively wet.
are the zones closest to the equator.
have the coolest climates on Earth.
17 of 20
Water moves from land to the atmosphere through
evaporation and precipitation.
transpiration and evaporation.
18 of 20
The ecological footprint of the United States
shows that Americans consume a disproportionate amount of food and fuel.
is about the same as the global average.
shows that its population size is increasing slowly.
is lower than the global average.
19 of 20
Which of the following is a behavioral response to environmental variability?
Growing a heavier coat of fur
Migrating to a different location
Growing a larger size
20 of 20
In the absence of limiting factors, what shape does a population’s growth curve most closely resemble?