Solved by a verified expert:Apr
22 2015 | 

BIO100

Biology Concepts

Lesson 15 Quiz 12

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This
assessment is worth 100 points.

1 of 20

Levels of
CO2 will
increase in the global atmosphere if

global levels of photosynthesis increase.

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

If
a population’s growth rate decreases as the population size approaches carrying
capacity, the population’s growth follows a(n) ______ model.

exponential

mathematical

geometric logistic

4 of 20

What level of ecology is concerned with
groups of individuals of different species?

Community

Tissue

Population

Ecosystem

5 of 20

Water-storing
plants and deeply-rooted shrubs are plants that characterize

tropical forests.

chapparal.

deserts savanna.

6 of 20

Opportunistic
species typically

are very long-lived.

have a large number of offspring.

are large-bodied.

reach sexual maturity slowly.

7 of 20

What will
be the approximate shape of the age-structure diagram of a rapidly increasing
population?

A rectangle

A pyramid

A circle

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?

Fire

Storms

Food supply

Drought

10 of 20

What name
is given to the open ocean?

Pelagic realm

Thermocline

Intertidal zone

Aphotic zone

11 of 20

Competition
among individuals of the same species is _______ competition.

extraspecific

intraspecific

interspecific exospecific

12 of 20

Which of
these biomes is maintained by fire?

Temperate deciduous forest

Tundra

Chaparral

Desert

13 of 20

The
intentional release of a natural enemy to attack a pest population is called

biological control.

coevolution.

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

transpiration only.

precipitation only.

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?

Evolutionary adaptation

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?

S

J

U

?